Penguins That Take 10,000 Naps, Each 4 Seconds, A Day
Unlike humans, who sleep for continuous hours, these charismatic birds sleep in short four-second bursts, accomplishing over 10,000 microsleeps each day.
Unlike humans, who sleep for continuous hours, these charismatic birds sleep in short four-second bursts, accomplishing over 10,000 microsleeps each day.
A rare sun explosion was credited for a rare red aurora that appeared in the skies over Japan and China.
The Biden administration has warned Congress that it will run out of funds for Ukraine by the end of this year.
