Tall leaves in a row of seed corn rise above a field of invading of nutrient thieves: the weedy common waterhemp. Tests confirmed these weeds were immune to a common family of herbicides.
Credit: A. Hager/ Univ. of Ill.
Eruption early in human prehistory may have been more whimper than bang
Greed may breed financial fitness, but evolution allows unselfishness to survive
Fine-tuning of technique used in other animals could enable personalized medicine
Simulation suggests long-term effect on sea level not as dire as some predictions
Coverage of the 2013 American Association for the Advancement of Science meeting
The Year in Science 2012
Three-part series on the scientific struggle to explain the conscious self
Tables of contents, columns and FAQs on SN Prime for iPad