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.
For those struggling to keep up their fitness momentum this dreary March, health and wellness expert Jillian Michaels has some insights for staying in the zone.
Elon Musk took the stage for Tesla's 2023 Investor Day in Austin, Texas and unveiled what he called the company's Master Plan 3, which emphasizes "sustainable energy for all of Earth."
COVID-19's origins remain hazy. Three years after the start of the pandemic, it's still unclear whether the coronavirus that causes the disease leaked from a lab or spread to humans from an animal.
