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.
Scientists at the Smithsonian National Museum of Natural History joined Cheddar to discuss the possibility that the world is undergoing its sixth mass extinction event.
World leaders are promising to protect the world’s forests, cut methane emissions and help South Africa wean itself off coal at the U.N. climate summit.
President Joe Biden is taking a markedly more humble tone for a U.S. leader on climate change.
British Prime Minister Boris Johnson has opened a global climate summit, saying the world is strapped to a “doomsday device.”
A new study found a cheap antidepressant reduced the need for hospitalization among high-risk adults with COVID-19.
A group of prominent academics and activists are calling on banks and insurers to avoid the kind of systemic collapse that crippled the world economy back in 2008.
SpaceX is resolving toilet spills in its capsules before it launches another crew for NASA. Liftoff is currently set for early Sunday from Florida's Kennedy Space Center.
U.S. health advisers have endorsed kid-size doses of Pfizer's COVID-19 vaccine for younger children.
Last spring, as false claims about vaccine safety threatened to undermine the world's response to COVID-19, researchers at Facebook found they could reduce vaccine misinformation by tweaking how vaccine posts show up on users' newsfeeds.
New York City's first immersive cannabis experience, The Stone Age, is seeking to change the narrative about cannabis, just in time for legalization.
