May 23: Can COVID cut climate emissions permanently? Robot stand-up comedy and more, evolving animals from worm guts to fish fingers and adapting to climate change on the prairies

Published: May 22, 2020, 4:10 a.m.

Turning COVID-related drop in CO2 emissions into a plan to fight climate change. A stand-up robot understands that timing is the secret to comedy. Fish fingers and bilateral symmetry — new fossils shed light critical stages of evolution. ‘Pretty much gambling:’ Canadian Prairie farmers are struggling with unstable conditions which will be worse with climate change.