Learning how many weeds adapt to climate change could provide valuable information to inform ecological strategies, reports a study that analyzed four weed species that are spreading northward.
Northeastern bees have suffered population declines over the last 140 years, largely due to human encroachment, but none has faced a more devastating collapse than the humble bumble bee.
Researchers have uncovered cellular-level detail of what happens when bone bears repetitive stress over time, visualizing damage at smaller scales than previously observed.
Our mental pictures of people produce unique patterns of brain activation, which can be detected using advanced imaging techniques, report Cornell neuroscientist Nathan Spreng and colleagues.
A discovery that allows scientists to precisely edit genomes for everything from crop improvement to human gene therapy, was named runner-up for Science magazine's 2012 Breakthrough of the Year.
