Uncategorized
-
AstronomyThe ecosystem that controls a galaxy’s future is coming into focus
An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.
-
ArchaeologyTexas toolmakers add to the debate over who the first Americans were
Stone toolmakers inhabited Texas more than 16,000 years ago, before Clovis hunters arrived.
By Bruce Bower -
Health & MedicineCancer cells engineered with CRISPR slay their own kin
Scientists can program the stealth cells to die before creating new tumors.
-
ArchaeologyStone tools put early hominids in China 2.1 million years ago
Newly discovered stone tools in China suggest hominids left Africa 250,000 years earlier than we thought.