Tracking the shadows cast by sperm reveals their precise 3-D movements.
Tracking the shadows cast by sperm reveals their precise 3-D movements.
Comparing gene transcripts from different species reveals surprising splicing diversity.
After undergoing untested cosmetic surgery that uses stem cells to rejuvenate skin, a woman grew bone fragments in the flesh around one of her eyes.
Tumor cells can exhibit different behaviors despite being genetically indistinguishable.
Scientists engineer a spectrum of artificial pigments to understand how animals see in color.
Amid controversy, the American Psychiatric Association has approved the fifth edition of its guidebook on mental disorders.
Certain immune cells keep adipose tissue in check by helping to define normal and abnormal physiological states.
A hormone called jasmonate mediates plants' responses to touch and can boost defenses against pests.
A precision microfluidic system enables single-cell analysis of growth and division.
Three patents on transgenic apes in the European Union will be challenged by animal rights activists.