DNA from a bacterium called Wolbachia seems to control whether pillbugs are male or female.
How do geese know when to go South in the fall? What signals a seed to sprout when it is brought to the surface after lying for centuries underground? DR. STERLING B. HENDRICKSof the U.S. Department of Agriculture describes his research into the timing mechanism of plants and animals.
Dead birds and bats could help scientists make green energy safer.
Conservationists everywhere have been watching with mounting concern the destruction of wild animals and their habitats in East and Central Africa. Two years ago the New York Zoological Society and the Conservation Foundation sent GEORGE TREICHELto Africa to find out the facts. A biogeographer, specializing in African studies. Mr. Treichel spent fourteen months afield in forty-five major faunal areas south of the Sahara.
The president can still advance his restrictionist agenda—but first he must accept that a large-scale amnesty is the only way to make it a reality.
An unusual detective story
Creative thinkers often have some unconventional impulses: Immanuel Kant liked being wrapped up like a mummy, and Charles Dickens lived with a bunch of animals.
In a supposedly safe national park, poachers have slaughtered 80 percent of these elusive animals in just ten years.
Every year, more than 400,000 crabs are bled for the miraculous medical substance that flows through their bodies—now pharmaceutical companies are finally committing to an alternative that doesn't harm animals.