Rat testicle cells make sperm after being frozen for 23 years

Tracing a cancer’s family tree to its roots reveals how tumors grow. Family trees of lung cancer cells reveal how cancer evolves from its earliest stages to an aggressive form capable of spreading throughout the body.

Odds Are Now 50/50 That We'll Exceed 1.5 °C Warming Within Just 5 Years

How tumor cells use mitochondria to keep growing