Scientists examined about 3,000 stone artifacts at an Armenian archaeological site and discovered that early hominids were using the same sophisticated toolmaking method used by early Homo sapiens in Africa.
Harvard researchers rocked the science community last March with an apparent discovery of gravitational ripples that gave credence to cosmic inflation theory – a finding that met as much skepticism as enthusiasm. Now, further analysis raises more doubts.
Scientists long have known that antifreeze proteins help a species of Antarctic fish survive in frigid waters. Now research has found that these proteins also prevent some fish from ever ridding themselves of the ice in their bodies.