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Birth Rate, Competition Are Major Players In Hominid Extinctions
February 18, 2007 — Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction. "The ... > full story -
Chimp Stone Age: West African Chimpanzees Have Been Cracking Nuts With Stone Tools For Thousands Of Years
February 13, 2007 — Researchers have found evidence that chimpanzees from West Africa were cracking nuts with stone tools before the advent of agriculture, thousands of years ago. The result suggests chimpanzees ... > full story -
Researchers Unearth 4,300-Year-Old Chimpanzee Technology; 'Stone Hammers' Fuel Evolutionary Debate
February 12, 2007 — A University of Calgary archaeologist has discovered stone "hammers" in the Tai rainforest of Africa's Cote D'Ivoire (Ivory Coast) that date back 4,300 years. The primitive tools were used by ... > full story -
Globalization & Great Apes: Illegal Logging Destroying Last Strongholds Of Orangutans In National Parks
February 6, 2007 — The tropical forests of South East Asia, important for local livelihoods and the last home of the orangutan are disappearing far faster than experts have previously supposed according to a new Rapid ... > full story -
Self-Assembling Nanostructures Of DNA -- A Biotechnologist's Dream
February 5, 2007 — Wouldn't it be great if we could get computer chips to grow on trees? Or at least use the specific bonds of DNA molecules to get nanostructures to grow themselves right in the test tube? This ... > full story -
Genomic Variation Easier To Identify With 'Microinversions' Software
December 26, 2006 — Computer scientists at the University of California, San Diego, and Brown University have created a software system that more accurately detects "microinversions," mutations that consist of tiny ... > full story -
Complexity Constrains Evolution Of Human Brain Genes
December 26, 2006 — Despite the explosive growth in size and complexity of the human brain, the pace of evolutionary change among the thousands of genes expressed in brain tissue has actually slowed since the split, ... > full story -
Study Offers Window Into Human Behavior, Brain Disease
December 23, 2006 — UCSF scientists have identified a cell population that is a primary target of the degenerative brain disease known as frontotemporal dementia, which is as common as Alzheimer's disease in patients ... > full story -
Neurons Targeted By Dementing Illness May Have Evolved For Complex Social Cognition
December 22, 2006 — Von Economo neurons (VENs) are uniquely shaped brain cells that seem to have evolved in a select group of socially complex species: great apes, humans, and, as reported last month, whales. Across ... > full story -
Singing For Survival: Gibbons Scare Off Predators With 'Song'
December 21, 2006 — The primatologists at the University of St. Andrews discovered that wild gibbons in Thailand have developed a unique song as a natural defense to predators. Literally singing for survival, the ... > full story
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