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.
AstraZeneca said its cancer-treatment drugs when used following chemotherapy treatment showed positive late-stage trial results for endometrial cancer patients.
Elon Musk's brain-implant company Neuralink said it received approval from the Food and Drug Administration to begin human clinical trials.
Shares of e-commerce giant Alibaba fell as China braces for a new wave of Covid.
New Census figures show about 1 in every 100 U.S. households is a same-sex couple.
Dr. Caitlin Bernard is facing disciplinary action after she spoke publicly about providing an abortion to a 10-year-old rape victim.
Two people died from what the CDC suspects was a meningitis outbreak in Mexico.
Virgin Galactic completed its final test flight on Thursday before its long-awaited commercial access for customers.
Yellowstone National Park officials killed a newborn bison because its herd wouldn’t take the animal back after a man picked it up.
The FDA has approved Opvee, which can reverse fentanyl and other opioid overdoses.
Powerful Typhoon Mawar churned slowly over the U.S. Pacific territory of Guam on Thursday, lashing the island with wind and rain, tearing down trees, walls and power lines, flipping cars, and pushing dangerous storm surge ashore as first-responders waited for daylight to see the full extent of the damage.
