thinning

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

A Key Detail in Your Retina Could Indicate How Healthy Your Brain Is

by

Alzheimer’s is an insidious brain disease marked by a slow mental decline that can develop unnoticed for decades before symptoms arise, but hidden signs of the condition might exist much sooner.   New research suggests that the thinning of a person’s retina – the light-sensitive tissue that lines the back of the eye – in … Read more