Lives and deaths of sibling stars

This beautiful star cluster, NGC 3293, is found 8000 light-years from Earth in the constellation of Carina (The Keel). This cluster was first spotted by the French astronomer Nicolas-Louis de Lacaille in 1751, during his ...

New ways to construct contactless magnetic gears

The new milk frother you are using to prepare your cappuccino is likely using magnetic gears. Magnetic gears transmit rotary motion like mechanical gears but instead of teeth they use magnetic attraction and repulsion between ...

Moth females use scent proximity to attract mates

Female moths deemed unworthy or unattractive to male moths can increase their odds of attracting a mate by emitting their sex pheromones - their "come-hither" scents - in close proximity to attractive females, according to ...

A new way to go from nanoparticles to supraparticles

(PhysOrg.com) -- Controlling the behavior of nanoparticles can be just as difficult trying to wrangle a group of teenagers. However, a new study involving the U.S. Department of Energy’s Argonne National Laboratory has ...

Some people may be attracted to others over minimal similarities

We are often attracted to others with whom we share an interest, but that attraction may be based on an erroneous belief that such shared interests reflect a deeper and more fundamental similarity—that we share an essence—according ...

A space-time magnifying glass

(Phys.org) —Bright arcs are smeared around the heart of galaxy cluster Abell S1077 in this image taken by the NASA/ESA Hubble space telescope. The arcs are stretched images of distant galaxies distorted by the cluster's ...

New light on baryonic matter and gravity on cosmic scales

Scientists estimate that dark matter and dark energy together are some 95% of the gravitational material in the universe while the remaining 5% is baryonic matter, which is the "normal" matter composing stars, planets and ...

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