Can we build concrete thatR...

Nov 14, 2019 by

Concrete is an old material—8,000 years old. The Romans built with concrete from 300 BC to 476 AD.

read more

New study pinpoints the places...

Oct 17, 2019 by

As many as five billion people will face hunger and a lack of clean water by 2050 as the warming climate disrupts pollination, freshwater, and coastal habitats, according to new research published last week in Science.

read more