Common ancestor comes into focus, It Resembled a Shark
The common ancestor of all jawed vertebrates on Earth resembled a shark, according to a new analysis of the braincase of a 290-million-year-old fossil fish that has long puzzled paleontologists.
Volcanic Gases Could Deplete Ozone Layer
SELFOSS, ICELAND—Giant volcanic eruptions in Nicaragua over the past 70,000 years could have injected enough gases into the atmosphere to temporarily thin the ozone layer, according to new research. And, if it happened today, a similar explosive eruption could do the same, releasing more than twice the amount of ozone-depleting halogen gases currently in stratosphere […]
Study Finds Evidence of Major Extraterrestrial Impacts 12,900 Years Ago
(Santa Barbara, Calif.) –– An 18-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has discovered melt-glass material in a thin layer of sedimentary rock in Pennsylvania, South Carolina, and Syria.
Study Shows Daytime Sleepiness Detrimental to Pro Athletes' Careers
DARIEN, IL – Coaches, owners and fantasy-league traders take note: Sleep researcher W. Christopher Winter, MD, has uncovered a link between a pro athlete's longevity and the degree of sleepiness experienced in the daytime.