You can’t always judge a book by its cover. That is a lesson scientists have recently learned about the nectocaridid — a 500-million-year-old marine creature that looked like a squid but turned out to be something completely unexpected.
For…

You can’t always judge a book by its cover. That is a lesson scientists have recently learned about the nectocaridid — a 500-million-year-old marine creature that looked like a squid but turned out to be something completely unexpected.
For…