Sound-powered sensors stand to save millions of batteries

Researchers are developing a new type of sensor that reacts to certain sound waves, causing it to vibrate. The sensor is a metamaterial that acquires its special properties through the structuring of the material. Passive sound-sensitive sensors could be used to monitor buildings, earthquakes or certain medical devices and save millions of batteries. ​Researchers are …

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Astronomers spot 18 black holes gobbling up nearby stars

Scientists have identified 18 new tidal disruption events (TDEs) — extreme instances when a nearby star is tidally drawn into a black hole and ripped to shreds. The detections more than double the number of known TDEs in the nearby universe. ​Scientists have identified 18 new tidal disruption events (TDEs) — extreme instances when a …

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Only eating between 7am and 3pm helps people with obesity lose weight

Intermittent fasting led to a group of people with obesity losing 7.6 kilograms in 14 weeks when combined with them receiving advice on reducing their calorie intake, compared with 3.9 kilograms among those who only received the advice ​Intermittent fasting led to a group of people with obesity losing 7.6 kilograms in 14 weeks when …

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What we know about the stars where NASA will hunt for life

Scientists have analysed the stars that an upcoming NASA telescope will target in its search for biosignatures, narrowing down the candidates for those that could host potential alien life ​Scientists have analysed the stars that an upcoming NASA telescope will target in its search for biosignatures, narrowing down the candidates for those that could host …

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Asparagus and orchids are more similar than you think

How is a beech leaf constructed? What determines the appearance of an asparagus? A new ‘encyclopaedia’ helps us learn more about the building blocks of plants. The encyclopaedia, probably the largest of its kind, could be used to improve targeted plant breeding efforts, to make them both more climate-resilient and more easily digestible. ​How is …

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DNA particles that mimic viruses hold promise as vaccines

Using a DNA-based delivery particle, researchers created a vaccine that can induce a strong antibody response against SARS-CoV-2. ​Using a DNA-based delivery particle, researchers created a vaccine that can induce a strong antibody response against SARS-CoV-2. Using a DNA-based delivery particle, researchers created a vaccine that can induce a strong antibody response against SARS-CoV-2. 

Body positive images on social media improve how men view their bodies

Exposure to body positive imagery on social media increase body satisfaction and reduces weight concerns in both men and women, a new study reports. ​Exposure to body positive imagery on social media increase body satisfaction and reduces weight concerns in both men and women, a new study reports. Exposure to body positive imagery on social media …

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Watch parrots use their beaks for a newly identified form of motion

Not only can parrots fly and walk, they can also swing along branches using their beak, in a technique called beakiation ​Not only can parrots fly and walk, they can also swing along branches using their beak, in a technique called beakiation Not only can parrots fly and walk, they can also swing along branches using …

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