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.
Two U.S. science agencies say 2021 was the sixth hottest year on record globally, part of a long-term warming trend.
U.S. doctors have transplanted a pig heart into a patient in a last-ditch effort to save his life — a first for medical science. Doctors at University of Maryland School of Medicine said Monday the patient is doing well three days after surgery.
The president of Turkmenistan is calling for an end to one of the country's most notable but infernal sights.
Locked in a dispute over his COVID-19 vaccination status, Novak Djokovic was confined to an immigration detention hotel in Australia on Thursday.
Starbucks says its U.S. workers must be fully vaccinated by Feb. 9 or face a weekly COVID testing requirement
Hundreds of motorists are waiting desperately for help after being stranded all night in freezing temperatures along a 50-mile stretch of highway south of the nation’s capital.
Tens of thousands of Coloradans driven from their neighborhoods by a wind-whipped wildfire are anxiously waiting to learn what's left standing of their lives.
New Year's Eve, Colorado Fires & Free Money
U.S. health officials are cutting isolation restrictions for Americans who test positive for the coronavirus and shortening the time that close contacts have to quarantine.
New Year celebrations are approaching and across the world there is an urge to party. But the desire to let loose is being countered by the highly transmissible omicron variant.
