The way memories are anchored in the brain plays a role, neuropsychologist Boris Suchan explains. In the bike-riding part, neurogenesis occurs less frequently, suggesting that perhaps encoded memories there are less likely to get erased.
"Some scientists say that stress is part of the job, and wear it like a badge of honor. I want to debunk that myth," says James Turner in this careers commentary. Group leaders should learn how to recognize if colleagues are experiencing problems at work.
An ambitious effort to sequence the genome of every complex organism on Earth was officially launched on November 1 in London. The project comprises more than a dozen existing sequencing programs, such as the Darwin Tree of Life Project.