Afro-Brazilians search DNA for pre-slavery origins

More than a century after slavery officially ended in Brazil, DNA tests are giving Afro-Brazilians the intriguing chance to find out who they are beyond mere skin color.

Uranus' moon Umbriel

The 19th century was an auspicious time for astronomers and planet hunters. In addition to the discovery of the Asteroid Belt that rests between Mars and Jupiter – as well as the many minor planets within – the outer ...

Solving the future with abstract algebra

Ask people what they know about the frontiers of mathematics research, and the response is usually some variation on: "What is there to research about math?"

How large-scale technology projects affect knowledge

What do an accelerator complex at Cern, a manufacturing center in 19th century Philadelphia and lotus cultivation during the Qing dynasty all have in common? All such activities generate knowledge and know-how. And all of ...

Artificial materials are revealing how living things work

Theoretical physicists are caricatured in the popular imagination as only involved in abstruse and difficult-to-imagine topics. But some of these theoretical physicists are involved in something closer to home: using artificial ...

page 9 from 14