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4,000-year-old rock art in Venezuela may be from a 'previously...
Archaeologists in Venezuela have discovered 20 previously unknown rock art sites that are thousands of years old.
Save over $50 on our favorite budget air purifier tower...
Save 17% on the Dreo MC710S Air Purifier Tower Fan at Amazon.
When did humans start wearing shoes?
The oldest known sandals are from Oregon, but there may be older shoes out there.
12,000-year-old Aboriginal sticks may be evidence of the...
Aboriginal artifacts in Australia that were likely used for ritual spells may be evidence of the oldest culturally transmitted ritual...
'The beauty of symbolic equations is that it's much easier...
"Even the +, −, =, and × signs we take for granted only came into widespread use in the 17th century. Which means that the earlier...
Earth from space: Green River winds through radioactive...
This 2018 astronaut photo shows a striking section of the Green River as it winds through Utah's "Labyrinth Canyon." The canyon's...
Why genetic testing can't always reveal the sex of a baby
Gender and sex are more complicated than X and Y chromosomes.
"The beauty of symbolic equations is that it's much easier...
"Even the +, −, =, and × signs we take for granted only came into widespread use in the 17th century. Which means that the earlier...