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Why Humans Don't Smell as Well as Other Mammals: No New Neurons in the Human Olfactory Bulb
May 24, 2012 — The human olfactory bulb – a structure in the brain that processes sensory input from the nose – differs from that of other mammals in that no new neurons are formed in this area after ... > full story -
Rare Neurons Linked to Empathy and Self-Awareness Discovered in Monkey Brains
May 21, 2012 — Scientists have discovered brain cells in monkeys that may be linked to self-awareness and empathy in ... > full story -
Nearly One Tenth of Hemisphere's Mammals Unlikely to Outrun Climate Change
May 14, 2012 — A safe haven could be out of reach for 9 percent of the Western Hemisphere's mammals, and as much as 40 percent in certain regions, because the animals just won't move swiftly enough to outpace ... > full story -
Built-in Ear Plugs: Whales May Turn Down Their Hearing Sensitivity When Warned of an Impending Loud Noise
May 8, 2012 — Toothed whales navigate through sometimes dark and murky waters by emitting clicks and then interpreting the pattern of sound that bounces back. The animals’ hearing can pick up faint echoes, ... > full story -
BPA Effects Seen in Monkey Mammary Glands
May 7, 2012 — A new study finds that fetal exposure to the plastic additive bisphenol A, or BPA, alters mammary gland development in primates. The finding adds to the evidence that the chemical can be causing ... > full story -
Early North Americans Lived With Extinct Giant Beasts, Study Shows
May 3, 2012 — A new study that determined the age of skeletal remains provides evidence humans reached the Western Hemisphere during the last ice age and lived alongside giant extinct mammals. The study addresses ... > full story -
Fertility
Pregnancy and Childbirth
Insects (including Butterflies)
Animals
Human Biology
Mating and Breeding
Insect Glands May Illuminate Human Fertilization Process
May 3, 2012 — Insect glands are responsible for producing a host of secretions that allow bees to sting and ants to lay down trails. New research focuses on secretions from glands in the reproductive tract that ... > full story -
Eye Size Determined by Maximum Running Speed in Mammals
May 2, 2012 — Maximum running speed is the most important variable influencing mammalian eye size other than body size, according to new ... > full story -
Jurassic Pain: Giant 'Flea-Like' Insects Plagued Dinosaurs 165 Million Years Ago
May 1, 2012 — It takes a gutsy insect to sneak up on a huge dinosaur while it sleeps, crawl onto its soft underbelly and give it a bite that might have felt like a needle going in -- but giant "flea-like" animals, ... > full story -
Evolution on an Island: Fossils Show Secret for a Longer Life
April 25, 2012 — Scientists have discovered one of the first fossil-based evidences supporting the evolutionary theory of aging, which predicts that species evolving in low mortality and resource-limited ecosystems ... > full story
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