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Saturday, May 26, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News

Thousands of invisibility cloaks trap a rainbow

Posted: 25 May 2012 07:39 AM PDT

Many people anticipating the creation of an invisibility cloak might be surprised to learn that a group of American researchers has created 25,000 individual cloaks.

New type of male contraceptive? Key gene essential for sperm development discovered

Posted: 24 May 2012 06:52 PM PDT

A new type of male contraceptive could be created thanks to the discovery of a key gene essential for sperm development. The finding could lead to alternatives to the conventional male contraceptives that rely on disrupting the production of hormones, such as testosterone. These treatments can cause side effects such as irritability, mood swings and acne.

Nnew genetic method developed to pinpoint individuals' geographic origin

Posted: 24 May 2012 08:25 AM PDT

Scientists have developed an innovative approach for the modeling of genetic variation in two- or three-dimensional space called spatial ancestry analysis (SPA). With SPA, researchers model the spatial distribution of each genetic variant by assigning a genetic variant's frequency as a continuous function in geographic space.

Unusual quantum effect discovered in earliest stages of photosynthesis

Posted: 24 May 2012 06:29 AM PDT

Quantum physics and plant biology seem like two branches of science that could not be more different, but surprisingly they may in fact be intimately tied. Scientists have discovered an unusual quantum effect in the earliest stages of photosynthesis.
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