More than 500,000 years ago, our human ancestors used large, stone tools known as "Acheulean handaxes," to cut meat and wood, and dig for tubers. Often made from flint, these prehistoric oval and pear-shaped tools are flaked ...
Archaeology
Oct 18, 2023
0
437
To help resolve the scientific debate over whether it was a giant asteroid or volcanic eruptions that wiped out the dinosaurs and most other species 66 million years ago, Dartmouth researchers tried a new approach—they ...
Earth Sciences
Sep 28, 2023
2
305
Artisanal and small-scale gold mining is a lifeline for many who live in Madre de Dios, a region in southeastern Peru, where poverty is high and jobs are scarce. But the economic development in this part of the Amazon basin ...
Earth Sciences
Sep 21, 2023
0
5
Surveys have been a time-tested mechanism that allows policymakers to gauge the pulse of public opinion on a wide range of issues.
Social Sciences
Sep 18, 2023
0
1
It can be tempting to think of the stars that light up the sky each night as timeless. Astronomy professor John Thorstensen knows better. He has spent the last four decades studying cataclysmic binary stars, a pair of stars ...
Astronomy
Sep 6, 2023
0
68
The rotating shoulders and extending elbows that allow humans to reach for a high shelf or toss a ball with friends may have first evolved as a natural braking system for our primate ancestors who simply needed to get out ...
Plants & Animals
Sep 5, 2023
0
658
Gold and mineral mining in and near rivers across the tropics is degrading waterways in 49 countries, according to a Dartmouth-led study. Published in Nature, the findings represent the first physical footprint of river mining ...
Earth Sciences
Aug 23, 2023
0
58
With climate change, irrigating more crops in the United States will be critical to sustaining future yields, as drought conditions are likely to increase due to warmer temperatures and shifting precipitation patterns. Yet ...
Environment
Aug 14, 2023
3
47
Associate Professor of Sociology Emily Walton recalls chatting with a multiracial physician who told her that he'd made more friends in Colorado, where he spent one year during his residency, than he had in nearly a decade ...
Social Sciences
Jul 14, 2023
0
10
In a time of income inequality and ruthless politics, people with outsized power or an unrelenting willingness to browbeat others often seem to come out ahead.
Mathematics
Jun 27, 2023
0
171
