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untouched coral reef discovered off tahiti

A chemical found in sunscreen may be killing coral reefs

May 9th, 2022

Most of us have grown up with advisements to wear sunscreen when going out on the beach. Now, though, scientists are scratching their heads and asking an important question. Could sunscreen be dangerous to coral reefs? Scientists are asking the question now that several locations have banned the use of sunblocks by beach visitors. The …

ocean mercury

The deepest parts of Earth’s oceans are packed with toxic mercury

November 17th, 2020

New research suggests that the deepest reaches of Earth’s oceans are being contaminated by mercury created by human activity. The mercury is likely being soaked up by fish close to the surface, the scientists say, and then when those fish die, they carry the toxic substance deep to the bottom of the oceans. This is …

great barrier reef

How did this huge reef structure remain hidden for so long?

October 27th, 2020

Researchers mapping the Great Barrier Reef have discovered a new reef structure that had never been documented before. The reef structure is like a large spire jutting out from the seafloor and stretching up 500 meters toward the surface. The new portion of the reef has been explored using an underwater robot. Australia’s Great Barrier …

whale breath record

Whale stuns scientists by holding its breath for nearly 4 hours

September 24th, 2020

Researchers studying the diving habits of beaked whales observed one specific whale staying beneath the surface for huge lengths of time. The whale stayed underwater for nearly three hours during the first round of observations, and then a week later it nearly reached the four-hour mark. It’s possible that sonar signals from Navy activity in …

whale sharks

The biggest fish on Earth are girls

September 16th, 2020

Scientists discovered that whale sharks grow differently based on their gender. Male sharks grow faster than females, but females ultimately get much, much larger than their male counterparts. Female whale sharks can reach a maximum size of around 46 feet in length. There are many different types of fish in the world’s oceans. Species vary …