Making nylon 6-6 'greener,' and without zinc

Outdoor stadium seats, ski bindings, tire reinforcements and other products that require strength, durability and weather resistance are all made with a type of nylon called nylon 6-6. However, producing this material requires ...

Mars Express zeroes in on erosion features

(PhysOrg.com) -- Mars Express has uncovered geological evidence suggesting that some depositional process, revealed by erosion, has been at work on large scales in the equatorial regions of the planet. If so, this would provide ...