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Browse through all of our Ocean Facts.

  1. What is a watershed?
    1 Dec 2017
  2. What is a current survey?
    8 Nov 2017
  3. What is a backscatter?
    2 Nov 2017
  4. What is a ghost forest?
    26 Oct 2017
  5. Where is Earth’s Largest Waterfall?
    19 Oct 2017
  6. What is eutrophication?
    6 Oct 2017
  7. What is high tide flooding?
    4 Oct 2017
  8. How does sand form?
    16 Aug 2017
  9. What does the ocean have to do with human health?
    31 May 2017
  10. What is a Rossby wave?
    31 May 2017
  11. Why should we care about the ocean?
    24 May 2017
  12. What are the Totten Beacons?
    24 May 2017
  13. What is a tide gauge?
    24 May 2017
  14. What are brain corals?
    22 May 2017
  15. What is a catcher beach?
    11 May 2017
  16. What is a King Tide?
    11 May 2017
  17. Where do I get real-time and forecast coastal conditions?
    11 May 2017
  18. What is the fastest fish in the ocean?
    11 May 2017
  19. How does sea ice affect global climate?
    4 May 2017
  20. What causes a sea turtle to be born male or female?
    21 Apr 2017
  21. What are the oldest living animals in the world?
    24 Feb 2017
  22. What are the Roaring Forties?
    8 Feb 2017
  23. What is the Pineapple Express?
    26 Jan 2017
  24. Are all fish cold-blooded?
    26 Jan 2017
  25. Where do fish go when it freezes outside?
    21 Dec 2016
  26. What is ocean noise?
    21 Dec 2016
  27. What are the trade winds?
    17 Nov 2016
  28. How are satellites used to observe the ocean?
    7 Nov 2016
  29. What is a sea lamprey?
    27 Oct 2016
  30. What is an oil seep?
    27 Oct 2016
  31. What is coral spawning?
    15 Sep 2016
  32. Why do scientists measure sea surface temperature?
    15 Sep 2016
  33. What is marine telemetry?
    28 Jul 2016
  34. What are the doldrums?
    15 Jul 2016
  35. What are beach advisories and beach closures?
    1 Jul 2016
  36. What are microplastics?
    27 Jun 2016
  37. How does land-based pollution threaten coral reefs?
    24 Jun 2016
  38. Can a coral reef recover from bleaching and other stressful events?
    24 Jun 2016
  39. How does overfishing affect coral reefs?
    21 Jun 2016
  40. How does climate change affect coral reefs?
    20 Jun 2016
  41. How do sea turtles hatch?
    15 Jun 2016
  42. What is ocean etiquette?
    13 Jun 2016
  43. What is the highest point on Earth as measured from Earth's center?
    25 May 2016
  44. What is the difference between local sea level and global sea level?
    11 May 2016
  45. What is a living shoreline?
    11 May 2016
  46. What is an oil spill trajectory?
    10 May 2016
  47. What is a pocosin?
    25 Apr 2016
  48. What are barnacles?
    14 Apr 2016
  49. What is GPS?
    23 Mar 2016
  50. What is the Great Loop?
    21 Mar 2016
  51. What color is an iceberg?
    3 Mar 2016
  52. What is marine biogeography?
    25 Feb 2016
  53. What is the Forchhammer's Principle?
    9 Feb 2016
  54. What is seaspeak?
    20 Jan 2016
  55. What is GRAV-D?
    12 Jan 2016
  56. What is a NOAA tide table?
    4 Nov 2015
  57. What are the vampire squid and the vampire fish?
    30 Oct 2015
  58. How does NOAA help clean up oil and chemical spills?
    22 Oct 2015
  59. What is a maritime forest?
    16 Oct 2015
  60. What is a High Seas Forecast?
    8 Oct 2015
  61. What is a bight?
    9 Sep 2015
  62. What is a thermocline?
    28 Jul 2015
  63. What is a Portuguese Man o’ War?
    22 Jul 2015
  64. What is subsidence?
    2 Jul 2015
  65. What is a wetland?
    6 May 2015
  66. What is HAZMAT?
    23 Apr 2015
  67. What is an ocean glider?
    3 Apr 2015
  68. What is glacial isostatic adjustment?
    23 Mar 2015
  69. How does NOAA monitor water levels around the nation?
    18 Mar 2015
  70. How do natural disasters contribute to marine debris?
    11 Mar 2015
  71. What is a marsh organ?
    11 Feb 2015
  72. What is a nautilus?
    6 Feb 2015
  73. What is a platypus?
    4 Feb 2015
  74. What is spat?
    22 Jan 2015
  75. What is a turbidity current?
    12 Jan 2015
  76. What is geocaching?
    20 Nov 2014
  77. What is a geographic information system?
    19 Nov 2014
  78. What is the Census of Marine Life?
    12 Nov 2014
  79. What is aquaculture?
    7 Nov 2014
  80. What are Mesophotic Coral Ecosystems?
    31 Oct 2014
  81. Why does the ocean have waves?
    23 Oct 2014
  82. What is an Operational Forecast System?
    23 Oct 2014
  83. How far does sound travel in the ocean?
    29 Sep 2014
  84. Do fish sleep?
    16 Sep 2014
  85. What is blue carbon?
    4 Sep 2014
  86. What is PORTS®?
    11 Aug 2014
  87. What is nuisance flooding?
    30 Jul 2014
  88. What is tectonic shift?
    18 Jul 2014
  89. What is a whale fall?
    13 Jun 2014
  90. What are the horse latitudes?
    5 Jun 2014
  91. Are horseshoe crabs really crabs?
    14 May 2014
  92. What are PBDEs?
    21 Apr 2014
  93. When Was the First Earth Day?
    19 Apr 2014
  94. What is a pelagic fish?
    26 Mar 2014
  95. What is bombogenesis?
    25 Mar 2014
  96. What do geodesists do?
    19 Mar 2014
  97. What is the International Date Line?
    10 Mar 2014
  98. What is the longest-lived marine mammal?
    5 Mar 2014
  99. What is an anchialine pool?
    31 Jan 2014
  100. What is an artificial reef?
    3 Dec 2013
  101. Are there oceans on other planets?
    19 Nov 2013
  102. What is dredging?
    4 Nov 2013
  103. What is a slough?
    23 Sep 2013
  104. Is the Earth round?
    18 Sep 2013
  105. What is a hurricane?
    19 Aug 2013
  106. Was Moby Dick a real whale?
    31 Jul 2013
  107. Why do we name tropical storms?
    16 Jul 2013
  108. What is a seiche?
    26 Jun 2013
  109. Why do mariners use port and starboard instead of left and right?
    24 Jun 2013
  110. What is a fish ladder?
    16 May 2013
  111. What is a bivalve mollusk?
    22 Apr 2013
  112. What is ocean acidification?
    1 Apr 2013
  113. What is a Plimsoll line?
    26 Feb 2013
  114. What is LIDAR?
    23 Jan 2013
  115. What is the most venomous marine animal?
    15 Jan 2013
  116. Why do we have spring tides in the fall?
    28 Nov 2012
  117. What is the difference between storm surge and storm tide?
    26 Nov 2012
  118. What is the mariner's 1-2-3 rule?
    20 Nov 2012
  119. What is the difference between a hurricane watch and a warning?
    27 Sep 2012
  120. What is the difference between an AUV and a ROV?
    17 Sep 2012
  121. What is shoreline armoring?
    24 Aug 2012
  122. What is the difference between a nautical mile and a knot?
    6 Aug 2012
  123. What is 'Old Sow'?
    16 Jul 2012
  124. Are mermaids real?
    27 Jun 2012
  125. Where is Point Nemo?
    15 Jun 2012
  126. What's the difference between a threatened and endangered species?
    18 May 2012
  127. Why are scientists concerned about Asian tiger shrimp?
    27 Apr 2012
  128. What is a perigean spring tide?
    3 Apr 2012
  129. What is sea foam?
    8 Mar 2012
  130. How big is the Atlantic Ocean?
    21 Feb 2012
  131. What is a datum?
    1 Feb 2012
  132. What is the Sargasso Sea?
    25 Jan 2012
  133. How do we forecast harmful algal blooms?
    6 Jan 2012
  134. What are Christmas tree worms?
    22 Dec 2011
  135. Does coral jewelry make a good gift?
    15 Dec 2011
  136. What is the cryosphere?
    30 Nov 2011
  137. What is an iceberg?
    30 Nov 2011
  138. Where do I get NOAA tides and currents data?
    29 Nov 2011
  139. What is a turkeyfish?
    23 Nov 2011
  140. What is the geoid?
    17 Nov 2011
  141. What is Digital Coast?
    14 Nov 2011
  142. What is the law of the sea?
    14 Nov 2011
  143. How do I get NOAA nautical charts?
    7 Nov 2011
  144. What makes the green turtle...green?
    18 Oct 2011
  145. What is a historical map or chart?
    7 Oct 2011
  146. What is ghostfishing?
    27 Sep 2011
  147. Are sea cucumbers vegetables?
    13 Sep 2011
  148. What is the Storm QuickLook?
    7 Sep 2011
  149. What is the difference between weather and climate?
    10 Aug 2011
  150. Could a hurricane make a large oil spill worse?
    4 Aug 2011
  151. How did the Pacific Ocean get its name?
    13 Jun 2011
  152. Is there gold in the ocean?
    8 Jun 2011
  153. Are starfish really fish?
    1 Jun 2011
  154. What are jellyfish made of?
    26 May 2011
  155. Why are aquatic plants so important?
    26 May 2011
  156. What is seaweed?
    5 May 2011
  157. How can you tell the difference between an oil slick and an algal bloom?
    26 Apr 2011
  158. How did the Hawaiian Islands form?
    13 Apr 2011
  159. Do the Great Lakes have tides?
    4 Apr 2011
  160. How much of the ocean have we explored?
    1 Apr 2011
  161. What is lightering?
    21 Mar 2011
  162. What is air gap?
    28 Feb 2011
  163. What is a marine national monument?
    12 Feb 2011
  164. What is VDatum?
    3 Feb 2011
  165. What is a salt marsh?
    27 Dec 2010
  166. What is Natural Resource Damage Assessment?
    8 Dec 2010
  167. What threats do seabirds face?
    17 Nov 2010
  168. What's the difference between a seal and a sea lion?
    25 Oct 2010
  169. How does pressure change with ocean depth?
    20 Oct 2010
  170. What is NERRS?
    13 Oct 2010
  171. What ocean basin has the most corals?
    7 Oct 2010
  172. Are coral animals or plants?
    6 Oct 2010
  173. What is the EEZ?
    1 Oct 2010
  174. How do we monitor tides?
    15 Sep 2010
  175. What is a navigation response team?
    30 Aug 2010
  176. Why is the ocean salty, but rivers flowing into it are not?
    23 Aug 2010
  177. What is the difference between a dolphin and a porpoise?
    18 Aug 2010
  178. What is marine forensic science?
    10 Aug 2010
  179. What is an invasive species?
    6 Aug 2010
  180. Why does the ocean get colder at depth?
    28 Jul 2010
  181. What makes the right whale "right"?
    21 Jul 2010
  182. How long is the U.S. shoreline?
    14 Jul 2010
  183. Where is the largest estuary in the United States?
    7 Jul 2010
  184. What is an eddy?
    28 Jun 2010
  185. What is the difference between a hurricane, a cyclone, and a typhoon?
    22 Jun 2010
  186. What is the largest sea turtle?
    15 Jun 2010
  187. Why is data on currents important?
    9 Jun 2010
  188. What is a waterspout?
    4 Jun 2010
  189. What is the significance of the NOAA logo?
    26 May 2010
  190. What is the Loop Current?
    21 May 2010
  191. What is a seamount?
    14 May 2010
  192. Can penguins fly?
    11 May 2010
  193. How does oil impact marine life?
    4 May 2010
  194. What is the Great Pacific Garbage Patch?
    22 Apr 2010
  195. How is bathymetric data used?
    2 Apr 2010
  196. How do sanctuaries protect marine life?
    25 Mar 2010
  197. What are brain corals?
    15 Mar 2010
  198. Are dolphins fish?
    10 Mar 2010
  199. What is bathymetry?
    2 Mar 2010
  200. Why do we study PCBs if they were banned in 1979?
    16 Feb 2010
  201. What is bioluminescence?
    12 Feb 2010
  202. What is a tidal wave?
    8 Feb 2010
  203. Do alligators live in the ocean?
    1 Feb 2010
  204. Is sea level the same all across the ocean?
    21 Jan 2010
  205. How is ocean observing data used?
    19 Jan 2010
  206. What is the Bermuda Triangle?
    8 Jan 2010
  207. What is the National Spatial Reference System?
    4 Jan 2010
  208. Where is all of the Earth's water?
    15 Dec 2009
  209. What is federal consistency?
    11 Dec 2009
  210. What is the smallest ocean?
    30 Nov 2009
  211. Do whales make noise?
    23 Nov 2009
  212. What are the three main types of coral reefs?
    20 Nov 2009
  213. Where is the largest protected area in the National Marine Sanctuary system?
    19 Nov 2009
  214. What lives in a kelp forest?
    10 Nov 2009
  215. What is maritime heritage?
    5 Nov 2009
  216. How do we measure currents?
    28 Oct 2009
  217. What was the first national marine sanctuary to be designated?
    20 Oct 2009
  218. What threats do coastal communities face?
    15 Oct 2009
  219. Are all algal blooms harmful?
    8 Oct 2009
  220. Did I find a lost underwater civilization?
    2 Oct 2009
  221. Why do we study tides?
    1 Oct 2009
  222. What is geodesy?
    22 Sep 2009
  223. What are PCBs?
    18 Sep 2009
  224. What is the difference between land cover and land use?
    10 Sep 2009
  225. What is nutrient pollution?
    1 Sep 2009
  226. What is resilience?
    27 Aug 2009
  227. What is an environmental sensitivity index map?
    24 Aug 2009
  228. What is a dead zone?
    21 Aug 2009
  229. What is a national marine sanctuary?
    18 Aug 2009
  230. What can I do to protect coral reefs?
    10 Aug 2009
  231. What is remote sensing?
    10 Aug 2009
  232. What is ecosystem science?
    4 Aug 2009
  233. How frequent are tides?
    27 Jul 2009
  234. What are phytoplankton?
    27 Jul 2009
  235. What is a guyot?
    21 Jul 2009
  236. Who first charted the Gulf Stream?
    21 Jul 2009
  237. How do people use kelp?
    13 Jul 2009
  238. What is the biggest fish in the ocean?
    13 Jul 2009
  239. What is "smart growth"?
    7 Jul 2009
  240. Do sharks eat people?
    7 Jul 2009
  241. What is the largest ocean basin on Earth?
    30 Jun 2009
  242. Can humans drink seawater?
    29 Jun 2009
  243. Where are marine protected areas located?
    23 Jun 2009
  244. What is IOOS?
    23 Jun 2009
  245. What are El Nino and La Nina?
    17 Jun 2009
  246. What is a kelp forest?
    17 Jun 2009
  247. What is the global ocean conveyor belt?
    12 Jun 2009
  248. What is a coral reef made of?
    12 Jun 2009
  249. How is sea level rise related to climate change?
    4 Jun 2009
  250. What is a mangrove forest?
    4 Jun 2009
  251. Is change important to estuaries?
    26 May 2009
  252. What types of plants and animals live in an estuary?
    26 May 2009
  253. What does an oceanographer do?
    18 May 2009
  254. What is a rip current?
    14 May 2009
  255. Are lionfish a threat to Atlantic Ocean fish?
    24 Apr 2009
  256. What is upwelling?
    24 Apr 2009
  257. What is marine snow?
    24 Apr 2009
  258. How long does it take to produce a nautical chart?
    6 Apr 2009
  259. What do the numbers mean on a nautical chart?
    6 Apr 2009
  260. Can the ocean freeze?
    30 Mar 2009
  261. What is a tsunami?
    30 Mar 2009
  262. What is marine debris?
    30 Mar 2009
  263. What is a current?
    30 Mar 2009
  264. Can marine debris degrade on its own in the environment?
    25 Mar 2009
  265. What does peanut butter have to do with the ocean?
    18 Mar 2009
  266. In what types of water do corals live?
    16 Mar 2009
  267. How fast is the Gulf Stream?
    12 Mar 2009
  268. What is the largest living structure on Earth?
    10 Mar 2009
  269. What's the difference between an ocean and a sea?
    25 Feb 2009
  270. What are the seven seas?
    25 Feb 2009
  271. What percentage of marine areas are protected?
    18 Feb 2009
  272. Where can I get tide predictions?
    18 Feb 2009
  273. What is a hydrothermal vent?
    13 Feb 2009
  274. What is an extremophile?
    13 Feb 2009
  275. What is coastal zone management?
    30 Jan 2009
  276. Do volcanoes occur in the ocean?
    30 Jan 2009
  277. What is a rogue wave?
    28 Jan 2009
  278. What can the ocean teach us about life on other planets?
    27 Jan 2009
  279. Where is the highest tide?
    23 Jan 2009
  280. What are tides?
    22 Jan 2009
  281. Why do we have oceans?
    22 Jan 2009
  282. How many oceans are there?
    21 Jan 2009
  283. How does sound travel in the ocean?
    21 Jan 2009
  284. Why is the ocean blue?
    16 Jan 2009
  285. How much water is in the ocean?
    15 Jan 2009
  286. What is a nautical chart?
    14 Jan 2009
  287. What do coral reefs have to do with medicine?
    14 Jan 2009
  288. Why is the ocean salty?
    13 Jan 2009
  289. What is a marine protected area?
    7 Jan 2009
  290. What's the difference between a tide and a current?
    6 Jan 2009
  291. Why do Harmful Algal Blooms occur?
    6 Jan 2009
  292. What is a red tide?
    5 Jan 2009
  293. What is the biggest source of ocean pollution?
    4 Dec 2008
  294. How far does light travel in the ocean?
    3 Dec 2008
  295. What percentage of the American population lives near the coast?
    3 Dec 2008
  296. How much of the ocean have we explored?
    2 Dec 2008
  297. What's the difference between a nautical chart and a map?
    1 Dec 2008
  298. What is a sonar?
    27 Nov 2008
  299. What species live in and around coral reefs?
    25 Nov 2008
  300. What is hydrography?
    25 Nov 2008
  301. How important is the ocean to our economy?
    19 Nov 2008
  302. What role does the Ocean Service play with our nation's aircraft and airports?
    19 Nov 2008
  303. What role does the ocean play in the weather?
    18 Nov 2008
  304. Is sea level rising?
    10 Nov 2008
  305. How do coral reefs protect life and property?
    10 Nov 2008
  306. What is the longest mountain range on earth?
    7 Nov 2008
  307. What is a benthic habitat map?
    5 Nov 2008
  308. What is an estuary?
    3 Nov 2008
  309. How do coral reefs benefit the economy?
    15 Oct 2008
  310. How deep is the ocean?
    2 Oct 2008
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Author: NOAA
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