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.
Heavy rainfall flooded parts of Massachusetts and Rhode Island, with two communities declaring a state of emergency as water poured into homes, creating moats around their foundations and leading to boat rescues of residents. Concern about a dam listed in poor condition led to more evacuations.
The leading decongestant used by millions of Americans looking for relief from a stuffy nose is no better than a dummy pill, according to government experts who reviewed the latest research on the long-questioned drug ingredient.
Hurricane Lee, still a Category 3 storm with winds of 115 mph, is expected to increase in size but be significantly weaker in the coming days, as it turns north to reach the U.S. East Coast, according to the National Hurricane Center.
The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter.
An earthquake has sown destruction and devastation in Morocco, where death and injury counts continue to rise as rescue crews dig out people both alive and dead in villages that were reduced to rubble.
Hurricane Lee whipped up waves of more than 15 feet (5 meters) on Monday as the Category 3 storm cranked through open waters just north of the Caribbean region.
