Tiny axles and rotors made of protein could drive molecular machines
21 April 2022
Researchers have designed proteins that self-assemble into tiny machine parts for use in molecular engines
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Premium
'Viking skin' nailed to medieval church doors is actually animal hide
21 April 2022
Scientists analysed the remains of skin patches attached to three English church doors, discovering they came from farm animals – not Viking raiders
Electrostatic brakes make bendy robot arms a lot more efficient
21 April 2022
Replacing motors with electrostatic brakes can boost the energy-efficiency of robot limbs, although the robots are slower
Climate change and farming may have halved some insect populations
20 April 2022
Warmer temperatures and intense agriculture may be responsible for a 49 per cent decline in insect numbers in some areas, with the tropics worst hit
Surveillance drone saves power by deliberately crashing into walls
20 April 2022
A prototype surveillance drone can save power and stay on task for longer by sticking to walls and powering down its rotors, but only by making a crash landing
Dolphins who are hand-fed by tourists are less social than their peers
20 April 2022
Tourists can hand-feed some dolphins around the coast of Australia, but dolphins fed this way are less likely to form strong social bonds with their peers
NASA should explore Uranus and Enceladus, say planetary scientists
19 April 2022
A major report on priorities for the next decade of US planetary science calls for the first dedicated Uranus probe and an orbiter-lander combo for Saturn’s ocean moon Enceladus
