a1 New footprint finds suggest range of body sizes for Lucy’s species Famous footprints of nearly 3.7-million-year-old homini…
a1 Hunter-gatherers were possibly first to call Tibetan Plateau home People hunted and foraged year-round in the thin air of…
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 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 Certain birth defects are on the rise since Zika arrived in the U.S. Certain birth defects were 20 times more prevalent in b…
a1 In new Cassini portraits, Saturn’s moon Pan looks like pasta Saturn serves up the closest thing to space pasta, the …