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Averaging the wisdom of crowds

The best decisions are made on the basis of the average of various estimates, as confirmed by the research of Dennie van Dolder and Martijn van den Assem, scientists at VU Amsterdam. Using data from Holland Casino promotional ...

date20 hours ago in Social Sciences
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Two holograms in one surface

A team at Caltech has figured out a way to encode more than one holographic image in a single surface without any loss of resolution. The engineering feat overturns a long-held assumption that a single surface could only ...

date23 hours ago in General Physics
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Urban Cooper's hawks outcompete their rural neighbors

Depending on whether a species flourishes in a city environment, urban wildlife populations can be "sources" or "sinks," either reproducing so quickly that individuals leave to colonize the surrounding area or needing constant ...

Hubble's celestial snow globe

It's beginning to look a lot like the holiday season in this NASA Hubble Space Telescope image of a blizzard of stars, which resembles a swirling snowstorm in a snow globe.

Does New Horizons' next target have a moon?

Scientists were already excited to learn this summer that New Horizons' next flyby target – a Kuiper Belt object a billion miles past Pluto – might be either peanut-shaped or even two objects orbiting one another. Now ...

Team develops cancer imaging aid from horse chestnuts

Research at The City College of New York shows that cancer imaging can be simplified by a photonic process utilizing molecules derived from horse chestnuts. The study with potential to better detect the presence of cancer ...

New research improves understanding of ancient landscapes

Geologists use zircon mineral grains to reconstruct what the Earth and its landscapes looked like in ancient times. These microscopic grains, commonly the width of a human hair, record detailed information on when and where ...

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Suburban ponds are a septic buffet

A new study shows that human waste accounts for a high percentage of nutrients consumed by some animals and plants in suburban ponds.

Telescopes team up to study giant galaxy

Astronomers have used two Australian radio telescopes and several optical telescopes to study complex mechanisms that are fuelling jets of material blasting away from a black hole 55 million times more massive than the Sun.

Personality and mood swings in bacteria

Bacteria can control where they go using a signaling network of protein molecules. Scientists at AMOLF have developed a microscopy method that allows them to see how individual bacteria use this network to make decisions. ...

Battling white-nose syndrome in bats

Millions of bats in North America have been wiped out by the disease white-nose syndrome caused by the fungus Pseudogymnoascus destructans, and scientists worry that a catastrophic reduction in the bat population will have ...

CAPABLE program saves money for seniors with disability
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