volume

Arctic Ice Already Thinning at a ‘Frightening Rate’, Satellites Reveal

by

New satellite data has revealed the Arctic is melting at a “frightening rate” due to the excess heat caused by human greenhouse gas emissions.  End-of-season Arctic multiyear sea ice – the ice that persists over several years – was roughly 50 centimeters (1.6 feet) thinner in 2021 than it was in 2019, the figures show, … Read more

Just One Extra Drink a Day Is Linked to Brain Shrinking, Study of 36,000 People Shows

by

Despite the joys that may come from a boozy Friday night, alcohol is bad for us. And not just in large quantities. Recent studies have been warning that even a moderate amount of drinking is linked to cardiovascular issues and brain damage. A new study looking at over 36,000 adults has now put the boot in as well, finding … Read more

Dolphins may communicate by changing the volume of their whistles

by

Common bottlenose dolphins identify themselves with a unique call, but these whistles may carry extra information through variations in volume Life 28 December 2021 By Christa Lesté-Lasserre Bottlenose dolphins are highly social creatures Brad Leue / Alamy Common bottlenose dolphins alter their volume throughout their signature whistles, perhaps as a way to communicate additional information … Read more