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Science

The mouse embryo developed a giant brain after being injected with the human version of a ...

Scientists at Duke University have pinpointed a regulator of gene activity that could lend insight into why we're so different from chimpanzees despite having a near-identical genetic makeup (94 per cent of our DNA is the same). When injected into a mouse embryo, the human version of a particular DNA sequence important for brain development caused the embryo to grow a considerably larger brain than other embryos treated with the chimpanzee version.  Read More

New research around how the hormone oxytocin works in the brain suggests it could lead to ...

Oxytocin is often called the "love hormone" due to its role in encouraging social behaviors, love and long-term bonding. Now, scientists have discovered that it might have something to offer those with weak knees of a different kind. Research carried out at the University of Sydney has established that the hormone can curtail the intoxicating effects of alcohol in rats, suggesting that a sobriety pill for humans could one day become a reality.  Read More

Researchers at the University of California claim to have successfully created a roton str...

Helium-4 superfluid is a fascinating substance. With properties that seemingly defy normal physics, it leaks straight through glass, bubbles up out of containers, flows around objects and even climbs up walls. As if superfluid helium-4 was not strange enough, in 1941 it was also predicted that it should contain an exotic, particle-like excitation – a quasiparticle – called a roton. After many years of trying to verify this prediction, researchers at the University of California now claim to have successfully created a roton structure in an atomic superfluid of cesium-133.  Read More

Polymer-based soft robotic grippers can perform biopsies and deliver drugs to previously i...

Creating swarms of soft, robotic hands that can safely dissolve within a living body once they've performed surgical procedures or delivered drugs just got a step closer thanks to work done by John Hopkins University scientists. They've created minute biodegradable microgrippers by adding stiff polymers containing magnetic nanoparticles to soft hydrogels, allowing them be magnetically guided to any location in the body.  Read More

Research team member Dr. Katarzyna Wybranska, with a wound dressing treated with the gold ...

We've been hearing a lot about the antibacterial qualities of silver, with silver nanoparticles finding use in everything from water filters to food packaging. Unfortunately, there are also concerns about the toxicity of those particles, particularly when they enter our bodies. Now, however, Polish scientists have developed what they claim is a safer alternative – an antibacterial coating that kills microbes using gold.  Read More

New algorithms compare a video's background imagery and audio to that of thousands of othe...

Sometimes, a posted video is the only clue to the whereabouts of a missing person, or a terrorist group. Unfortunately, unless that video has already been geo-tagged, it can often be very difficult to tell where it was shot. Now, however, scientists have created algorithms that can determine a video's location by comparing its background imagery and audio to that of thousands of other videos.  Read More

Limpet teeth have bee found to be even strnger than spider silk

Spider's silk has long been the strongest natural material known to man, prompting researchers to attempt to uncover its secrets so they can replicate its remarkable properties in man-made materials. But scientists now have a new source of inspiration in the form of limpet teeth, which are made of a material researchers say is potentially stronger than spider silk, is comparable in strength to the strongest commercial carbon fibers, and could one day be copied for use in cars, boats and planes.  Read More

A new advance could lead to bigger, cheaper and high-fidelity holograms (Photo: D. Smalley...

Microsoft's recent HoloLens announcement has reignited interest in holographic displays, but the current state of affairs suggests that this technology may still be too expensive and limited to become truly widespread. Researchers at Brigham Young University (BYU) and MIT are bridging the gap with a new important step toward the next generation of high-bandwidth, color-accurate holographic video displays that could span the size of an entire room at one tenth the cost of state of the art devices.  Read More

An STFC study has revealed how a 200 year old Indian shamsheer was constructed (Image: STF...

A team from the UK's Science & Technology Facilities Council (STFC) has used neutron diffraction techniques to study the composition of a 200 year old Indian shamsheer sword. The non-destructive study, which revealed details of how the weapon was constructed, would not have previously been possible due to the rarity of the object.  Read More

The GIFT development could lead to the new steel alloy replacing aluminum in lightweight, ...

By altering metal alloy at a nanoscale level, researchers at the Graduate Institute of Ferrous Technology (GIFT) at Pohang University of Science and Technology in South Korea have created a new material that has the strength of steel and the lightness of titanium alloy. Made from an amalgam of steel, aluminum, carbon, manganese, and nickel, the new alloy promises to be low-cost and readily available due to its mix of common minerals.  Read More

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