How male dragonflies adapt wing color to temperature

New research from Case Western Reserve University in how dragonflies may adapt their wing color to temperature differences might explain color variation in other animals, from lions to birds.

Making ammonia 'greener'

Ammonia, a compound first synthesized about a century ago, has dozens of modern uses and has become essential in making the fertilizer that now sustains most of our global food production.

The future of flight is now

Many experts agree the future of flight will rely on zero-emission and/or renewable energy technology. That is, aircraft will be propelled by ions—electrically charged molecules—that create thrust in their wake.

page 2 from 25