Animal behaviour: Rats can accurately estimate the passage of time

Rats trained to leave 3.2 seconds between presses of a lever or to hold it down for this length of time seem able to judge whether they were accurate enough to have earned a reward Life 21 February 2022 By Carissa Wong Rats can judge their ability to keep track of the passage of time … Read more

‘Wind’ from Earth’s middle layer blows through a secret passage beneath Panama

A geological secret passage beneath Panama may explain why rocks from Earth’s mantle are found more than 1,000 miles (1,609 kilometers) from where they originated.¬† This opening, located some 62 miles (100 km) below Earth‘s surface, may allow a flow of mantle materials to travel all the way from beneath the Gal√°pagos Islands to beneath … Read more