Do you ever feel spacey, distracted and worn down toward the end of a long work-related task – especially if that task is entirely a mental one? For over a century, psychologists have been trying to determine whether mental fatigue is fundamentally similar to physical fatigue or whether it is governed by different processes.Some researchers have argued that exerting mental effort depletes a limited supply of energy – the same way physical exertion fatigues muscles. The brain consumes energy ...read more
Orcas know there is strength in numbers. The whales typically hunt in packs and ambush larger prey like seals, other whales, and sea lions. But, in an odd case, researchers have recently observed orcas hunting alone — and attacking the apex predator, the great white shark.An orca could attack great white sharks for their liver, which is rich in fats, as explained in a press release by Alison Towner, marine biologist and study author. Researchers have seen killer whales attack sharks before in ...read more
In January 2024, the tidy work of a Welsh mouse, caught on video cleaning the work bench inside a man’s shed, went viral.Night after night the mouse gathered up clothespins, corks, and other miscellaneous objects, stashing them inside a rectangular wooden box for safekeeping. Each time the man laid the items back out, the mouse had cleaned them up again by the following morning.While people across the world found the video adorable, many also asked the question: Why did the mouse keep doing th ...read more
Just over five years ago, on 22 February 2019, an unmanned space probe was placed in orbit around the Moon. Named Beresheet and built by SpaceIL and Israel Aerospace Industries, it was intended to be the first private spacecraft to perform a soft landing. Among the probe’s payload were tardigrades, renowed for their ability to survive in even the harshest climates. The mission ran into trouble from the start, with the failure of “star tracker” cameras intended to determine the spacecraft ...read more
For a brief moment in February, the world collectively held its breath upon discovering the plight of an orca pod trapped in sea ice. The frantic scene unfolded near the town of Rausu, off the coast of Hokkaido, Japan’s northernmost prefecture. According to Japanese media organization NHK, a local fisherman first contacted the town’s Coast Guard station on the morning of Feb. 6, 2024 to report an orca stuck between sheets of ice. Footage from later that afternoon revealed more orcas — abo ...read more
Author Vishay SinghPosted on Categories Discover Magazine