Study unlocks link between sex and female brain

An international team of scientists led by Gregg Adams at the University of Saskatchewan has discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that regulates the growth, ...

How the bat beats the lifespan rule

From the elephant to the mayfly, biologists say there is a general rule about longevity: the bigger the animal, the longer it lives.

How salt stops plant growth

Until now it has not been clear how salt, a scourge to agriculture, halts the growth of the plant-root system. A team of researchers, led by the Carnegie Institution's José Dinneny and Lina Duan, found that not all types ...

A new role for cytokinin plant hormones

When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...

Scientists improve biomarker detection technique

Scientists from NPL's Biotechnology group have developed a new strategy to enable quicker and more precise detection of biomarkers - proteins which indicate disease. The work marks a new research direction for the group, ...

FDA says fast-growing fish would not harm nature (Update)

U.S. government health regulators say a genetically modified salmon that grows twice as fast as normal is unlikely to harm the environment, clearing the way for the first approval of a scientifically engineered animal for ...

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