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.
Plastic-Free July is being observed to highlight the use of plastic and its effects. Cheddar News' Michelle Castillo gave up using single-use plastic for the day and spoke with Kathyrn Kellogg, founder of Going Zero Waste, to get her take.
Climate change’s sweaty fingerprints are all over the July heat waves gripping much of the globe. A new study finds these intense and deadly hot spells in the American Southwest, southern Europe and CHINA could not have occurred without it.
