For centuries, engineers have turned to nature for inspiration. Leonardo da Vinci dreamed of gliding machines that would mimic birds. Today, the close study of animals and plants is leading to ...

November 29, 2025 • For the millions of Americans that celebrate Thanksgiving, it's a time when many people reflect on the things and the people in our lives that they appreciate. But according to Dr.

The aerial photograph on the left shows the Transamazonian highway just after completion. The satellite photograph on the right shows a much larger area, revealing the wake of destruction fanning out ...

Interpreting human evolution -- Fact and fancy before 1860 -- Picture up to 1860 -- Hominid catastrophism -- Between world wars -- Recent discoveries -- Evolutionary principles -- Culture as an ...