ancient 2 9

Tag: "ancient" at biology news

New Clues Add 40,000 Years to Age of Human Species

...Africa?hypothesis that suggests we all trace to an ancient line that first evolved in Africa and then displac...ossils, from near the town of Kibish, are far more ancient than researchers originally suspected and nearly 40,000 years older than skulls from Herto, Ethiopia...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

... in 1989 when DNA was recovered from 12 samples of ancient organic remains, ranging in age from 4 to 13,000 y... to Ambergene Corporation for the recovery of live ancient bacteria and fungi fossilized in amber. By reconstituting nucleic acid molecules that have been deg...

The secret lives of whales

...t size of their population. Piecing together their ancient family trees, he has discovered that the Antarctic population of minke whales is now the longest surviving whale population on earth. It was also once the largest—many times larger than other estimates. This information is critical to current discus...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...The results give a fascinating glimpse of how this ancient parasite evolved and highlight unusual metabolic processes that may be exploitable as drug targets." The project also identified some large families of surface proteins that may help mediate the amoeba's ability to evade the human immune system. Thi...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

...m, The Netherlands) haveemployed an evolutionarily ancient enzyme-repair system to identify theprincipal type of DNA damage responsible for the onset of skin-tumordevelopment. The researchers' findings also suggest that this enzymesystem may be useful in developing preventative therapies against skincancer. ...

1 2 3 4 5 6 7 8 9