The Secret Life of Backyard Trees
Ecologists are finding undescribed species and ecosystems in treetops.
by Kevin Keajick
First Cell
To most who search for life's origins, genes are everything. But as David Deamer keeps reminding them, without a container for those genes, there can be no life.
Where Comets Come From
They're the mystery tramps of the solar system, streaking crazily through a warm space they don't belong in. Now astronomers have tracked them to their frozen trans-Neptunian home.
The Philosopher's Atom
Physicists have long struggled to see the quantum mechanical atom in real-world terms. Now one odd atom is giving them a glimpse--not quite of the phantasmal quantum world, perhaps, but at least of the boundary between the world and the one we inhabit.
