Chimp females who leave home postpone parenthood

New moms need social support, and mother chimpanzees are no exception. So much so that female chimps that lack supportive friends and family wait longer to start having babies, according to researchers who have combed through ...

New catalyst controls activation of a carbon-hydrogen bond

Chemists have developed another catalyst that can selectively activate a carbon-hydrogen bond, part of an ongoing strategy to revolutionize the field of organic synthesis and open up new chemical space.

Researchers design survey to tap students' motivation in STEM

Researchers at Portland State University are learning more about undergraduates' experience in science, technology, engineering and math (STEM) classes and sharing a set of survey questions that will help researchers and ...

Physicists design $100 handheld muon detector

At any given moment, the Earth's atmosphere is showered with high-energy cosmic rays that have been blasted from supernovae and other astrophysical phenomena far beyond the Solar System. When cosmic rays collide with the ...

Robotic device tracks plant growth at the cellular level

Determining how various treatments and conditions affect the mechanical properties of plant cells could allow scientists to understand plant growth at the cellular level and devise ways to enhance it. In a breakthrough report ...

The strange case of the scuba-diving fly

More than a century ago, American writer Mark Twain observed a curious phenomenon at Mono Lake, just to the east of Yosemite National Park: enormous numbers of small flies would crawl underwater to forage and lay eggs, but ...

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