World’s largest bacteria discovered is the size of a human eyelash

World's largest bacteria discovered is the size of a human eyelash

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — They’re bacteria like you’ve never seen before – probably because, until now, all known bacteria could only be seen using a powerful compound microscope. A recently discovered bacterium that is large enough to … Read more

Greenland’s polar bear population lives without sea ice

Greenland's polar bear population lives without sea ice

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — A genetically distinct and isolated population of polar bears has been documented living in southeast Greenland. Scientists who have studied and tracked the bears have determined that they survive despite limited access to … Read more

Mastodon Tusk Reveals North American Migration Patterns

Mastodon Tusk Reveals North American Migration Patterns

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — A male behemoth died fighting with a rival during mating season about 13,200 years ago in what is now northeastern Indiana. Now his well-preserved fossil and tusks reveal not only how the 8-ton … Read more

Was dinosaur blood hot or cold? A new study aims to settle the debate

Was dinosaur blood hot or cold?  A new study aims to settle the debate

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — Fearsome predators like T. rex and towering telescopic-necked dinosaurs like Brachiosaurus were warm-blooded creatures the same way as birds and mammals, according to a groundbreaking new study. Whether the blood flowing through giant … Read more