In this video, four 3D-patterned end grain cutting boards are constructed using maple, walnut, and cherry. The project ...

For the first time, scientists have 3-D printed objects within living cells, including a 10-micrometer long elephant and tiny “barcodes” that could help track individual cells. Remarkably, many of the ...

Cultures of the World. News and findings about early human cultures. Learn about trading, colonization, early language development and the showoff hypothesis.