Science

Sniffing women’s tears reduces male aggression by 44%, study finds

A fascinating study has found that sniffing female tears significantly reduced male aggression and decreased activity in aggression-related brain networks. It’s suggested that the effect, which is also seen in rodents, serves a protective function.

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Healthy oral, gut and urinary bug network can smash kidney stones

The human body's microbe makeup is increasingly linked to the onset of many diseases, with a lot of the focus on the gut. A new study, however, has found that changes in the bug populations in not just the gut but in salivary and urinary microbiomes are linked to kidney stones forming.

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“Chemical chaperone” improves Alzheimer’s signs in early & late disease

A study has found that treatment with a ‘chemical chaperone’ reduced the accumulation of protein plaques and restored cognitive functioning in mouse models of Alzheimer’s, which could lead to novel treatments to help treat the debilitating disease.

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NASA beams cute cat video back to Earth from deep space

NASA has taken cat videos to a whole new level, with its Psyche Deep Space Optical Communications experiment beaming a 15-second high-definition clip of a playful tabby across 19 million miles (31 million km) of space to Earth.

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Clot-busting “millirobots” corkscrew their way through blood vessels

While some blood clots can be removed via a tool that's inserted into the affected vein or artery, others are harder to reach. Those other clots could one day be treated using "millirobots" that auger their way through the patient's blood vessels.

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Cardboard boxes could be upcycled into EPS foam alternative

Thanks to online shopping, an increasing number of goods are being shipped to buyers in cardboard boxes filled with eco-unfriendly EPS (expanded polystyrene) foam. Soon, however, such boxes could be upcycled into a greener alternative to EPS.

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Some stars could swallow black holes – here’s how we can find them

Black holes are famous for gobbling up everything – but could they ever be swallowed whole? A new study suggests stars could capture very small black holes. There might even be a way to find them, and if so, they could help us understand dark matter.

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Single-dose inhaled dry powder vaccine may replace arm jabs

Researchers have developed a powdered vaccine that's inhaled directly into the lungs for an effective immune response. The vaccine can deliver multiple antigens, meaning one dose could provide broad-spectrum protection against several respiratory viruses.

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Induction welding joins metal foams without cramping their style

Composite metal foams (CMFs) offer big advantages over traditional solid metal. And while the welding of CMFs usually poses some challenges, it has now been been discovered that the use of an alternative type of welding works like a charm.

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