a1 New footprint finds suggest range of body sizes for Lucy’s species Famous footprints of nearly 3.7-million-year-old homini…
a1 Baby starfish whip up whirlpools to snag a meal A baby starfish scoops up snacks by spinning miniature …
a1 Hunter-gatherers were possibly first to call Tibetan Plateau home People hunted and foraged year-round in the thin air of…
a1 Petrified tree rings tell ancient tale of sun’s behavior The sun has been in the same routine for at least 290 m…
a1 50 years ago, methadone made a rosy debut Heroin cure works [T]he drug methadone appears to have …
a1 E-cigarette smoking linked to heart disease risk Electronic cigarettes may increase the risk of heart di…
a1 Cow carved in stone paints picture of Europe’s early human culture This stone engraving of an aurochs, or wild cow, found …
a1 Number of species depends how you count them Genetic methods for counting new species may be a littl…
a1 Supernova spotted shortly after explosion Astronomers have caught a star exploding just hours aft…
a1 Enzymes aid rice plants’ arsenic defenses BOSTON — Rooted in place, plants can’t run away from ar…
a1 Howler monkeys may owe their color vision to leaf hue BOSTON — A taste for reddish young leaves might have pu…
a1 Colorectal cancer is on the rise among younger adults In recent years, rates of colorectal cancer cases and d…
a1 Certain birth defects are on the rise since Zika arrived in the U.S. Certain birth defects were 20 times more prevalent in b…
