The cockroach

One gross, yucky pest gives up its secret!

An extermination trick that married insecticide with sugar worked for a while -- but then suddenly lost its power against roaches. Now science tells us why, as it highlights once again how human actions affect natural selection. More »

Ancient water = ancient habitat?

Pools of water in a Canadian mine are 1+ billion years old!

Geologic dating shows that water has been trapped more than 2 kilometers underground since before the Cambrian explosion. This water contains chemicals that support bacteria in other places. Could the deep biosphere contain relics of the most primitive life? Could such life exist on Mars? More »

Science Teachers: Hip yourself to a great resource!

Teaching the science standards? Looking for extra-credit projects?

Nuclear nightmare in Japan

Nuclear crisis follows giant tsunami

With three nuclear reactors and three pools of spent fuel teetering on the edge of meltdown, Japanese technicians struggled to throttle the nuclear demons after the gigantic tsunami. Is Fukushima closer to Chernobyl or Three Mile Island? How will the disaster affect plans for a renaissance of nuclear power? More »