Plus, tidal bores, the world's smallest ocean and what causes high and low tide.

Happy Thursday In case you missed the big news last month, we have a "new" ocean! The world's fifth ocean was officially recognized on June 8th. You can read all about the Southern Ocean in our article. Read on to learn other cool facts about our oceans. Cross Seas Are Rare But Dangerous By John Perritano Cross seas may look super cool. But you never want to get caught up in the grid-patterned waves they generate. Read more >> More About Our Oceans What Exactly Is Sea Foam? And is it dangerous to touch it or let the dog run around in it? Read more >> Tidal Bores Are Rare, Fast and Have Epic Waves The super-cool phenomenon of tidal bores happens in only a few places on the globe, and it takes a very specific set of conditions to occur. Read more >> Why Is the Ocean Different Colors in Different Places?   Ocean water is not actually blue, but appears in many different shades. Why is that? Read more >> What Causes High Tide and Low Tide? And why are there two tides each day? Read more >> Which Ocean Is the World's Smallest? Even the smallest of the world's oceans is impressively vast. Do you know which ocean it is? Read more >> 8 Pretty Awesome Facts About the Pacific Ocean   The vast and mighty Pacific Ocean covers 30 percent of our planet's surface. But that's not it's most interesting fact. Read more >> Crossword of the Day! Test your knowledge with this week's crossword puzzle! Some of the more challenging answers are hidden in our most recent emails. Have fun, friend!   Play Crossword Riddle of the Day! Which letter of the alphabet has the most water?   Check Your Answer Copyright © 2021 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1401 Main Street Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list