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We summarize the week's scientific breakthroughs every Thursday.
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Science & SocietyScreen time to heal, and perhaps to harm
Editor in Chief Nancy Shute reflects on the advances in virtual reality technology and how much time we spend on our computers and smartphones.
By Nancy Shute -
PhysicsVanadium dioxide’s weird phase transition just got weirder
When shifting from one crystalline structure to another, the atoms inside vanadium dioxide bumble around a lot more than expected.
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TechVirtual reality therapy has real-life benefits for some mental disorders
Cheap, user-friendly virtual reality hardware could help VR therapy go mainstream. Some treatments are ready for primetime, while others are still in early testing.
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TechA new robot decides how and when to transform to get the job done
A bot made of smaller robotic pieces autonomously changes its shape to trundle across flat ground, squeeze into tight spaces or climb stairs.
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TechA new palm-sized drone is mini, but mighty
Unlike other small drones, this flying robot can tote objects up to 40 times its own weight.
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Artificial IntelligenceArtificial intelligence crowdsources data to speed up drug discovery
A new AI that judges whether drugs will interact with certain proteins can train on data from multiple sources while keeping that info secret.
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TechSelf-driving cars see better with cameras that mimic mantis shrimp vision
A new type of camera that sees in polarized light across a wide range of light intensities could help make self-driving cars safer on the road.
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PhysicsA new ultrafast laser emits pulses of light 30 billion times a second
A new technique allows lasers to pulsate at a higher rate than ever before.
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Materials ScienceThis reflective paint could keep sunbaked buildings cool
A new type of polymer coating that reflects sunlight to control heat could supplement or replace air conditioning systems.
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ArchaeologyLaser mapping shows the surprising complexity of the Maya civilization
A large-scale lidar survey of Guatemalan forests reveals evidence of ancient, interconnected Maya cities.
By Bruce Bower -
TechFiberglass-spinning robots could be construction workers of the future
A team of fiberglass-spinning robots could create tubing to help build bridges, buildings or other structures.
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Artificial IntelligenceAnshumali Shrivastava uses AI to wrangle torrents of data
Computer scientist Anshumali Shrivastava is designing programs that can handle torrents of information quickly and efficiently.