In the Dec. 10 SN: Star-starved galaxies, animal math, Parkinson’s roots in the gut, supersolid success, Celebrex’s controversial heart risk, a prionlike memory protein, yo-yo dieting’s downside, blue begonias and more.
NOT DEAD YET Cells on the brink of dying from a type of programmed suicide known as apoptosis (left, a cancer cell known as a HeLa cell) can come back to life through a process called anastasis (right) if conditions improve. DNA is shown in blue.
Ho Lam Tang
Branches called dendrites extending from a nerve cell (green) receive messages from other neurons at tiny protrusions called dendritic spines. A faulty protein in the spines may be related to a wide range of mental disorders.
UC San Diego Health
ANCIENT POX This mummy was found in a crypt in Lithuania, along with a child mummy that held genetic remnants of variola virus, which causes the pustular rash disease, smallpox.