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Health & MedicineGene stifled in some lung, breast cancers
The silencing of a gene called RASSF1A appears to increase the risk of cancer, studies of lung and breast tumors show.
By Nathan Seppa -
Domesticated goats show unique gene mix
A genetic analysis finds a surprising amount of genetic unity in goats living in Europe, Africa, and Asia, supporting the theory that goats were widely transported and traded throughout human history.
By Bruce Bower -
AstronomyAstronomers get the spin on black holes
Recording the X-ray flashes emitted by matter as it plunges into one of these gravitational beasts, astronomers last week reported strong evidence that black holes spin like whirling dervishes, dragging space-time along with them.