News
- Archaeology
Ancestors who came in from the cold
Researchers found the remains of a 36,000-year-old human occupation in the Russian Arctic, which represents the earliest evidence of a human presence that far north.
- Archaeology
Neandertals used tools with versatility
Microscopic data from artifacts found at two Ukrainian sites indicate that Neandertals used stone tools in flexible ways that allowed them to maintain a broad diet for nearly 50,000 years.
- Earth
Dusty workplace may cause change of heart
Occupational exposure to fine dust can trigger adverse changes in the hearts of even strong, healthy workers.
- Health & Medicine
Two drugs may enhance recovery from stroke
Two drugs, levodopa and dextroamphetamine, may help stroke patients to recover the ability to move and speak.
