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.
The telescope’s 900-ton receiver platform fell onto the reflector dish more than 400 feet below on Tuesday. The U.S. National Science Foundation had earlier announced that the Arecibo Observatory would be closed.
Three former presidents say they’d be willing to publicly take a coronavirus vaccine, once one becomes available, to encourage all Americans to get inoculated against a disease that has already killed more than 273,000 people nationwide.
The U.S. has recorded over 3,100 COVID-19 deaths in a single day, obliterating the record set last spring.
IBM security researchers say they have detected a cyberespionage effort that used targeted phishing emails to try to collect vital information associated with a U.N. initiative for distributing coronavirus vaccine to developing countries.
The health agency also announced new guidelines that shorten recommended quarantines after close contact with someone infected with coronavirus. Now people can resume normal activity after 10 days, or seven days if they receive a negative test result.
The Transportation Department issued a final rule Wednesday covering service animals. The rule says only dogs can qualify, and they have to be specially trained to help a person with disabilities.
The head of the United Nations is calling on countries to end what he calls a war on nature and instead embrace a future without carbon pollution triggering global warming.
Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, discusses a wide range of current topics regarding the COVID-19 pandemic with Cheddar.
An influential government advisory panel says health care workers and nursing home residents should be at the front of the line when the first coronavirus vaccine shots become available.
Tech is the engine that enables fantasy to become reality.
