Chemistry
- Chemistry
Nanosilver disinfects — but at what price?
Silver demonstrates some unusual immunological impacts at the nanoscale.
- Earth
Antidepressants make for sad fish
Fish may suffer substantially from even brief encounters with antidepressants, which wastewater releases into river water.
- Physics
Superconductivity does the twist
Electron fluctuations could explain why exotic material conducts without resistance.
- Chemistry
Blueprint to repel oil and water
The texture of surfaces could be designed so that both water and oil can bead up and thus flow off.
- Chemistry
Household cleaner makes blood removal simple!
Common household “oxy” cleaners remove blood almost too well.
- Space
Half-life (more or less)
Physicists are stirred by claims that the sun may change what’s unchangeable—the rate of radioactive decay.
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- Chemistry
First complete cancer genome sequenced
With the entire genome sequence of a tumor now in hand, scientists may be able to start answering basic questions about cancer.
- Chemistry
Oldest evidence for complex life in doubt
Chemical biomarkers in ancient Australian rocks, once thought to be the oldest known evidence of complex life on Earth, may have infiltrated long after the sediments were laid down, new analyses suggest.
- Chemistry
From Aerators to Rust — New Lead Risks
Rusty water and other unusual sources of toxic risks in home drinking water.
- Chemistry
Faucets Destined for Brassy Changes
Although new standards poised to take effect in a few years will reduce the lead-leaching risk from drinking water faucets, showerheads and many other water dispensers around will remain unregulated.
- Tech
Lead-free? Faucets are anything but
Featured blog: Users of brand-new buildings on a major university campus were surprised to discover high concentrations of lead in the water. Faucets were the culprit.
