Study shows p53's pathological responses to DNA damage are irrelevant to tumor suppression

LTP underlies hippocampal learning and memory, according to two new studies

Longevity mutations in C. elegans are unfriendly to tumor cells, contradicting research that's suggested the opposite effect

Both pathogenic and good bacteria produce toxins that break eukaryotic DNA

Oldest known cancer cell line originated in ancestral dogs and spreads via tumor cells

Environmental stressors induce epigenetic changes that plants pass to their progeny

Environmental watchdog group says toxicologist deserves penalty for involvement in retracted paper; scientist says he was honoring now-deceased study author's wishes

Science prints letters blasting methodology and conclusions of study that linked logging to reduced forest regrowth

Extra copies of key chromosomal segments make Candida fungi drug resistant, could provide cancer clues

RNA polymerase underlies heritable gene silencing without DNA mutation

Study finds that bone marrow and blood cannot replenish eggs, questioning earlier findings

Corporate consultants were not disclosed in 1997 paper refuting chromium-cancer connection