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.
Amazon founder and soon-to-be-space traveler Jeff Bezos is donating $200 million to the Smithsonian Institution to boost its National Air and Space Museum.
Johnson & Johnson says it is recalling five of its sunscreen products after some samples were found to contained low levels of benzene, a chemical that can cause cancer with repeated exposure.
Officials in Minnesota say they’re finding more giant goldfish in waterways, prompting a plea to citizens to stop illegally dumping their unwanted fish into ponds and lakes.
Hawaii officials will hold a lottery to distribute invasive goats that are overrunning an important historical and cultural site.
Firefighters are working in extreme temperatures across the U.S. West and struggling to contain wildfires as another heat wave baked the region, straining power grids.
Indian officials say lightning has killed at least 38 people across two states over the past 24 hours.
More manatees have died already this year than in any other year in Florida’s recorded history, primarily from starvation due to the loss of seagrass beds.
"Uranium bulls," a small but devoted group of investors, see an opportunity in the metal commodity that makes nuclear power possible.
U.S. health officials say vaccinated teachers and students don't need to wear masks inside school buildings.
Fast-moving Tropical Storm Elsa hit the New York City region with heavy rain and high winds, toppling trees and hindering some commuter rail service as it churned its way toward New England.
