Life's rhythms

While our "body clock" regulates our 24 hour daily routine, a woman's menstrual cycle follows a 30 day rhythm. Many marine animals, such as the worm Platynereis, synchronize their reproduction rhythm with the lunar cycle. ...

Dying brightly: Fluorescence lights up cells programmed to die

Programmed cell death, or apoptosis, occurs tens of millions of times every day in every human body. Researchers in South Korea have devised an easy method to detect apoptotic cells by fluorescence, as they report in Chemistry—An ...

Sunbathing helps these bugs stay healthy

Sunbathing may be healthy – at least for one group of North American insects that apparently uses the activity to fight off germs, Simon Fraser University scientists have found.

'Shish kebab' structure provides improved form of 'buckypaper'

Scientists are reporting development of a new form of buckypaper, which eliminates a major drawback of these sheets of carbon nanotubes -- 50,000 times thinner than a human hair, 10 times lighter than steel, but up to 250 ...

Redefining Geometric Skeletons

(PhysOrg.com) -- Geometric skeletons are fundamental concepts in many areas of science and engineering.

Seals like it hot

(PhysOrg.com) -- Using innovative thermal imaging techniques and CCTV recording, a St Andrews academic has shed new light on previously unseen aspects of the life of seals.

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