Phys.org news

Phys.org / Failed experiment leads to surprise drug development breakthrough

Scientists at the University of Cambridge have developed a new way to alter complex drug molecules using light rather than toxic chemicals—a discovery that could accelerate and improve how medicines are designed and made. ...

6 hours ago
Phys.org / Gut microbes: The secret to squirrel hibernation

When winter sets in and food becomes scarce, some mammals hibernate, entering a state of deep rest that slashes their energy needs and allows them to fast for months. However, fasting deprives them of essential nutrients, ...

2 hours ago
Phys.org / Fortified salad packs a healthy punch to meet a growing vitamin B12 need

A pioneering research-industry partnership has used advances in indoor farming technology to grow pea shoots fortified with vitamin B12, opening an exciting route to market for farmers and addressing a major public health ...

6 hours ago
Phys.org / Meet Crocodylus lucivenator, a 12- to 15-foot predator that hunted iconic Lucy's species

More than 3 million years ago, when our ancient ancestors embodied by the iconic Lucy were roaming the African landscape, they would have feared a big, bad crocodile with a prominent lump on its head, patiently lurking in ...

11 hours ago
Phys.org / Caught but not eaten: Smaller insects more likely to escape catfish mouths

A Kobe University study shows that small aquatic beetles survive catfish attacks by resisting ingestion inside the catfish's mouth and being spat out alive. This research contributes to a deeper understanding of size-dependent ...

6 hours ago
Phys.org / Despite their contrasting reputations, bonobos and chimpanzees show similar levels of aggression in zoos

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature. However, a new study by Utrecht ...

22 hours ago
Phys.org / Dolphin mass strandings in Patagonia linked to killer whales

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, but many were returned safely to the sea. But what remained a mystery until now was how they ended ...

21 hours ago
Phys.org / Galaxy-group motion suggests slower expansion in our cosmic neighborhood

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that analyzes the motion of two nearby galaxy groups within their surrounding cosmic flow. The results ...

20 hours ago
Phys.org / Astronomers collect rare evidence of two planets colliding

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting very strangely. The star, named Gaia20ehk, was about 11,000 light-years from Earth near the constellation ...

20 hours ago
Phys.org / DNA origami vaccine rivals mRNA shots while being easier to store and manufacture

The COVID-19 pandemic brought messenger RNA (mRNA) vaccines to the forefront of global health care. After their clinical trial stages, the first COVID-19 mRNA vaccine was administered on 8 December 2020 and mathematical models ...

16 hours ago
Phys.org / Centuries of net-negative emissions are required to secure a safe climate future, two studies suggest

Two new studies conclude that stabilizing long-term climate risks will require sustained net-negative carbon dioxide (CO₂) emissions for centuries. Approaching the problem from distinct perspectives—legal and technological ...

19 hours ago
Phys.org / Plants pause, play and fast-forward their growth depending on types of climate stress

Plants pause their growth during stress, then press play when conditions improve, helping them recover and live on to produce food, according to a new study published in New Phytologist. UBC researchers have pinpointed the ...

17 hours ago