There are about 40 kinds of cats out there – like me. There’s only one kind of human on Earth now. But there are more than a million kinds of insects. That’s just the insect species we know about.
A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details. For more ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results