Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.
(Phys.org) -- The smallest mammoth known to have ever lived has been identified by Natural History Museum scientists, and is reported in the journal Proceedings of the Royal Society B today.
(PhysOrg.com) -- Two Sussex scientists have identified a gene that causes an extreme form of dwarfism, known as primordial dwarfism.
From the elephant to the mayfly, biologists say there is a general rule about longevity: the bigger the animal, the longer it lives.
One more Homo species? Recent 3-D-comparative analysis confirms status of Homo floresiensis as a fossil human species
(Phys.org) —Ever since the discovery of the remains in 2003, scientists have been debating whether Homo floresiensis represents a distinct Homo species, possibly originating from a dwarfed island Homo erectus population, ...
Researchers have identified a genetic mutation found in the Ohio Amish population as the cause of a fatal developmental disease in fetuses and infants, according to research published in the April 8, 2011, issue of Science.
A 22-year study of abnormally short individuals suggests that growth-stunting mutations also may stunt two of humanity's worst diseases.
Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
A Purdue University researcher has taken corn off steroids and found that the results might lead to improvements in that and other crops.
(Phys.org)—A new multidisciplinary study on the enigmatic large Horseshoe bat – found widespread throughout South and East Africa – has revealed that instead of just one species as previously believed, the bat is in ...