Here are items reported in 2019 that have made news in 2020: more on butterflies, hummingbirds, and the Cambrian explosion.
I promised last year to follow up on more alleged Ediacaran animals. Now is a good moment to come back to this, with a new study having just been published in the journal Nature Communications.
Plant seeds come equipped to spread themselves in ways that baffle engineers. Did they invent these mechanisms by chance?