Every print subscription comes with full digital access
Physiologists say they have demonstrated for the first time that dead xylem cells in plant plumbing can control water speed.
Genetic markers on three proteins suggest a common African ancestor for elephants, aardvarks, elephant shrews, golden moles, and other animals.
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
Not a subscriber? Become one now.