Ever wonder how a dolphin sleeps while still swimming? Or how a giraffe sleeps while standing up? Cara Santa Maria, Narrator of Smithsonian Earth's "The Secret World of Animal Sleep" joins Cheddar to explore the wild world of sleeping animals.
Marine mammals only shut down half their brain while sleeping, leaving the other half of their body to stay afloat and be alert for prey. She explains how the higher up on the food chain you are, the more sleep you get. That's why prey species like giraffes can only afford mere minutes of sleep at a time, while lions revel in over 20 hours of luxurious slumber a day.
Arctic ground squirrels survive harsh Canadian winters through skilled hibernation. Entering a state of controlled hypothermia, their body temperatures drop to 27°F – the lowest ever recorded in a mammal.
President Joe Biden is calling on global leaders to join him in sharing coronavirus vaccines with struggling nations around the world.
The NFL will spend up to $1 million funding up to five studies that will examine how to better help players ease their pain and find alternatives to opioids.
Turkey’s president has promised to rescue the Marmara Sea from an outbreak of “sea snot” that is alarming marine biologists and environmentalists.
Flights fell 55% in April 2020 compared to April 2019. So, it was shocking to a lot of people that the tiny Ted Stevens Anchorage Airport was bustling.
Government health officials have approved the first drug that they say may help slow Alzheimer’s disease.
California's reservoirs are shrinking quickly as a drought grips the western United States.
A new U.S. government report fails to give a definitive explanation of UFOs spotted by military pilots. It finds no evidence they are linked to aliens — but doesn't deny the possibility either.
A wandering herd of 15 elephants have been journeying in southwestern China's Kunming, Yunnan Province as local authorities try to keep them away from populated areas.
Critics of bitcoin's energy use argue that its carbon footprint is way out of proportion with its social value, while supporters assert that bitcoin is no different than the rest of the financial system.
NASA is returning to sizzling Venus, our closest yet perhaps most overlooked neighbor, after decades of exploring other worlds.
