DIATOMIC ART This colorful pattern, which is hundreds of microns across, is made up of hard-shelled algae called diatoms.
Like their brethren in Africa, Asian elephants are on the decline. The animals disperse tree seeds by eating fruit and defecating the seeds. Bovids can do the same, but they’re not as good at it, a new study finds.
Aging may have developed in many species as a genetic mechanism to conserve future resources. If the controversial proposal is true, then scientists may be able to greatly extend life span by deactivating the machinery for aging embedded in our DNA.