Space shuttle Discovery was powered up hundreds of times during prelaunch processing over the course of 26 years of spaceflight. But Dec. 16, 2011 was different. That morning, technicians inside NASA Kennedy Space Center's orbiter processing facility powered the ship up — and then down — for the final time. Less than a week later, […]
Following one of Earth’s five greatest mass extinctions, tiny marine organisms called graptoloids did not begin to rapidly develop new physical traits until about 2 million years after competing species became extinct.
AMHERST, Mass. – Advances in studying genes mean that scientists in evolutionary developmental biology or “evo-devo†can now explain more clearly than ever before how bats got wings, the turtle got its shell and blind cave fish lost their eyes, says University of Massachusetts Amherst evolutionary biologist Craig Albertson.
Discovery provides clues to development of neurological diseases and cancer