Humans can't, but turtles can: Switching off senescence

All living organisms age and die—there is no way of escaping death. But not all organisms follow the same pattern of weakening and deterioration to old age and death—counter-intuitive as it may seem.

How the bat beats the lifespan rule

From the elephant to the mayfly, biologists say there is a general rule about longevity: the bigger the animal, the longer it lives.

Having brothers delays sexual maturation in women

(PhysOrg.com) -- Scientists in Perth, Western Australia, investigating the costs of brothers and sisters in contemporary Australian society, have discovered that girls with older brothers tend to start menstruation later, ...

Fishing selects small, shy fish for survival

Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...

First molars provide insight into evolution of apes, humans

(PhysOrg.com) -- The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University's Institute of Human Origins in the Dec. 28 online early edition ...

Onset of puberty in female bonobos precedes that of chimpanzees

Puberty is the threshold between childhood and adulthood. Behavior and appearance change considerably during this period – not only in humans but also in our closest relatives, the great apes. In a current study researchers ...

Competing for a mate can shorten life span

"Love stinks!" the J. Geils Band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may even shorten your ...

page 2 from 9