UI researcher cites need for a 'small view' of the environment

By thinking small, scientists can solve big environmental problems. That is the message University of Iowa researcher Vicki H. Grassian delivered to colleagues Sunday, Feb. 18, at the 2007 Annual Meeting of the American Association ...

Probing Question: Does stress produce gray hair?

A reporter struggling to meet a deadline. A single mother juggling work and kids. A student cramming for exams. Could any of these folks justifiably fault their harried lifestyles when they notice a few gray hairs?

Physics graduate creates graphene resonator

In the world of cutting-edge physics, discoveries are often made using intricate procedures and elaborate, expensive instruments. But a paper by Cornell graduate student Scott Bunch and colleagues shows how interesting results ...

High-quality helium crystals show supersolid behavior

High-quality, single-crystal, ultra-cold solid helium exhibits supersolid behavior, suggesting that this frictionless solid flow is not a consequence of defects and grain boundaries in poor-quality, polycrystalline, solid ...

'Watching atoms move' is goal of powerful new X-ray sources

When excited, atoms move at impossibly small length and time scales -- too small and too fast to have been observed in years past. But as applied and engineering physics professor Joel D. Brock comments in the Feb. 2 issue ...