Biology

Brainless Slime That Can Learn by Fusing. Ed Yong. www.theatlantic.com . old.reddit.com . Dec 21, 2016.

Building Transit Networks

Can a cell learn? When a part of the plasmodium touches something attractive, e.g. food, it pulses more quickly and widens. If a part meets something repulsive, like light, it pulses more slowly and shrinks.

Crows Could be the Smartest Animal Other Than Primates. Chris Baraniuk. www.bbc.com . Dec 11, 2019.

New Caledonian crows make hooked tools from soft twigs to scoop insects out of holes. Other animals that use tools: chimpanzees, parrots, alligators and crabs.

The crows found the desired stems even when they had been disguised with leaves from a different plant species.