The truth about marijuana might be more complex than either its opponents or its champions suggest, some scientists argue.
Research has found that at least one in 10 human genes vary in the number of copies of certain DNA sequences.
Physicists say they’ve taken a step toward making computers that work at blinding speeds thanks to the weird realities of quantum physics.
New research could be a stride forward for therapy to rebuild hearts, but its use of embryonic cells may stir controversy.
Our brains nail down memories by using special proteins as anchors, a study suggests.
A black hole’s blindingly fast rotation could help explain some strange phenomena, physicists say.