Once upon a time, insects had 24 legs
A many-legged oddball from long ago helps fill a major gap in the fossil record — and hints at how insects ended up with just six legs.
A many-legged oddball from long ago helps fill a major gap in the fossil record — and hints at how insects ended up with just six legs.
We summarize the week's scientific breakthroughs every Thursday.
A fruit fly study shows motor neurons do more than relay commands: They send signals back to the brain and organize movement sequences.