Uncategorized
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Insects deploy sticky feet with precision
Sticky ant and bee footpads retract and unfold in time with insect steps, so the insects don't trip over their own sticky feet.
- Health & Medicine
Does breast-feeding accelerate AIDS?
A study of HIV-infected mothers in Kenya suggests that breast-feeding places them at a health risk.
- Chemistry
Molecular Chemistry Takes a New Twist
New calculations show that a basic tenet of chemistry is wrong: Ethane forms its most stable structure not due to so-called steric effects, but because of a quantum mechanical influence.
- Physics
Stretching and twisting a bright idea
A new, stretchy type of liquid-crystal component makes it possible to change a laser's color by simply pulling on the membrane—a much easier, cheaper means of adjustment than that used for today's complex and expensive tunable lasers.
