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.
Smoke and ash from massive wildfires in the American West shrouded the sky and led to air quality alerts on parts of the East Coast.
U.S. life expectancy fell by a year and a half in 2020, the largest one-year decline since World War II. The decrease for both Black Americans and Hispanic Americans was even worse: three years.
Health officials say the delta variant of the coronavirus continues to surge and accounts for an estimated 83% of U.S. COVID-19 cases.
Canada will begin letting fully vaccinated U.S. citizens into Canada on Aug. 9, and those from the rest of the world on Sept. 7.
Pacific Gas & Electric says its equipment may have been involved in the start of the big Dixie Fire burning in the Sierra Nevada.
German officials defended their actions ahead of last week’s devastating floods that caught many towns by surprise and left 196 people dead in Western Europe, but they conceded that lessons still need to be learned from the disaster.
Smoke and heat from the massive wildfire in southeastern Oregon are creating so-called fire clouds over the blaze.
Emergency workers in western German and Belgium are rushing to rescue hundreds of people in danger or still unaccounted for as the death toll from devastating floods rose to more than 125 people.
Jeff Bezos blasted into space Tuesday on his rocket company’s first flight with people on board, becoming the second billionaire in just over a week to ride his own spacecraft.
A Dutch 18-year-old is about to become the youngest person in space. Blue Origin announced that instead of a $28 million auction winner launching with founder Jeff Bezos on Tuesday, runner-up Oliver Daemen will be on board.
