News

Oceans

Phytoplankton flunk photosynthesis efficiency test

Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient

Paleontology

Saber-toothed salmon teeth more like tusks than fangs

Saber-toothed salmon teeth may not have been positioned like fangs at all.

Life

Gene tweak led to humans’ big toe

For lack of gene regulator, the human big toe appeared.

Astronomy

Black hole burps up gobbled gas and dust

Two belches from a supermassive black hole are drifting away from another galaxy.

Psychology

Kids grasp words as symbols before learning to read

Preschoolers grasp that written words refer to specific things before they learn to read.