nature Magazine – April 13, 2023 issue: Octopuses use chemotactile receptors (CRs) in the suckers on their arms to ‘taste by touch’ as they explore their sea-floor environment. These proteins evolved from neurotransmitter receptors to allow octopuses to detect poorly soluble natural products on contact.

World’s biggest butterfly is low on genetic diversity

An endangered butterfly, found only in Papua New Guinea, has had a small population for a million years.

Three ways to solve the plastics pollution crisis

Researchers are studying how more-sophisticated policies, smarter recycling and new materials could stem the tide of waste.