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.
One third of Americans don't have access to primary care providers in their communities, according to a study from the National Association of Community Health Centers published last month.
Neuralink, Elon Musk's brain implant venture, is reaching out to major U.S. neurosurgery centers to potentially begin testing its devices on humans, according to a Reuters report.
A Minnesota utility began shutting down a nuclear power plant near Minneapolis on Friday after discovering water containing a low level of radioactive material was leaking from a pipe for the second time. While the utility and health officials say it is not dangerous, the issue has prompted concerns among nearby residents and raised questions about aging pipelines.
