3-D-knitted shells save on construction materials and time

With just the press of a button, ETH researchers knit a textile that serves as the primary shaping element for curved concrete shells. Now they have used the new technology to create a five-tonne concrete structure for an ...

Mexico marks twin anniversaries of deadly quakes

Mexico marks the anniversaries Wednesday of two deadly earthquakes: one that devastated the country last year, claiming 369 lives, and another that killed more than 10,000 people on the same date in 1985.

NAFTA talks with US 'very far' along: Mexico's Guajardo

US and Mexican negotiators are "very far" along in efforts to revamp the North American Free Trade Agreement but some issues will have to wait until Canada rejoins the talks, Mexico's Economy Minister Ildefonso Guajardo said ...

Not to scale? Maya civilizations show strange correlation

Researchers who study urban areas have long observed a connection between size and proximity—namely, that cities become more dense as they gain in population. The more people live in a place, the closer together they live ...

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