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.
Salvage experts have failed to tow a fire-stricken container ship carrying chemicals out to sea and it has started to sink off Sri Lanka’s main port, raising fears of a marine environmental disaster.
Excessive sanitizing over COVID-19 fears may actually be harming more than helping. Cheddar explains.
The White House says the United States on Tuesday will reach 50% of American adults fully vaccinated for COVID-19.
Forecasters expect yet another busy Atlantic hurricane season this year, but they say it won't be as crazy as 2020.
Anyone who gets vaccinated at select state-run vaccination sites in New York next week will receive a lottery scratch ticket with prizes potentially worth millions, as the state tries to boost slowing vaccination rates.
The famed Darwin’s Arch in the Galapagos Islands has lost its top, and officials are blaming natural erosion of the stone.
President Joe Biden says the U.S. will share an additional 20 million doses of COVID-19 vaccines with the world in the coming six weeks.
China has landed a spacecraft on Mars for the first time in the latest step forward for its ambitious space program.
Cheddar explains why some European countries are building new bicycle superhighways and how it'll transform their transportation landscape.
The CDC is easing indoor mask-wearing guidance for fully vaccinated people, allowing them to safely stop wearing masks inside in most places. The new guidance was announced Thursday at the White House.
