News
- Paleontology
Salvaged DNA adds to Neandertals’ mystique
Researchers who isolated a sample of Neandertal mitochondrial DNA say that it provides no evidence that Neandertals contributed to modern human evolution.
- Chemistry
Toxin in absinthe makes neurons run wild
The alpha-thujone in absinthe—Vincent Van Gogh's favorite drink—blocks brain receptors for a natural inhibitor of nerve impulses, causing brain cells to fire uncontrollably.
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Lady-killing genes offer pest control
Two new fruit fly lines—with females that die on cue—could lead to changes in pest control.
- Health & Medicine
Cell mixture attacks pancreas tumors
White blood cells injected into patients with pancreatic tumors incite an immune response that blunts the cancer in some patients and extends survival.
