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.
Pfizer is warning that an antibiotic used to treat syphilis and other bacterial infections in young people are likely to run out by the end of this quarter.
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A scientist at the University of California, Riverside is designing an emoji-based measurement system to aid communication between patients and doctors, arguing they could be particularly useful for patients who cannot speak.
Thousands of dead fish washed up ashore in southwest Texas.
Only 1 in 4 residential treatment centers for teens offers a recommended medicine for opioid addiction, according to a study that exposes an important gap in care.
Be Well: Understanding Infertility and Weighing Options to Start a Family
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The NASA Artemis 3 mission in 2025 plans to investigate whether microorganisms may have survived in the moon's permanently shadowed craters .
According to NASA, a "potentially dangerous" asteroid about the size of a bridge narrowly passed Earth on Monday.
