Archaeology

Ancient Māori remains point to largely plant-based diets before colonization

New research led by the University of Otago—Ōtākou Whakaihu Waka, in close partnership with mana whenua, is shedding new light on Māori diet and burial practices in Aotearoa New Zealand prior to European colonization. The ...

Evolution

From Asgard to Earth: Tiny tubes may reveal the moment complex life began

Stromatolites—and their close relatives, microbial mats—could be mistaken for what seems like a bunch of old dark rocks. But instead, they are dense, layered communities of microbes. Long before complex life such as animals ...

Why treelines don't simply rise with the climate

A global study by the University of Basel, Switzerland, reveals a surprising picture: While 42% of treelines worldwide are shifting upslope, 25% are retreating. This seemingly contradictory trend involves more than just warming. ...

What if dark matter came in two states?

The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...

One DNA letter can trigger complete sex reversal

Researchers at Bar-Ilan University have discovered that changing just one letter in DNA can completely alter sex development in mice. In the new study, published in Nature Communications, a single-letter insertion in a non-coding ...

Houston, we have a problem ... with the toilet

After a successful trip around the moon, everything has been going smoothly on the Orion spacecraft's journey back to Earth—except for the $23 million toilet, which has gotten clogged.

Skin can 'pre-learn': Priming cells for regeneration before injury

It is well known that students who prepare in advance perform better in exams. Now, it appears that the skin can do the same. Rather than scrambling to repair itself only after injury occurs, a Korean research team has demonstrated ...

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Medical Xpress

Tech Xplore

Why anti-cancer drugs do not always live up to expectations

For more than a decade, a class of drugs called BET inhibitors has been tested in cancer trials with high expectations. The biology looked promising. Many cancers depend on oncogenes that "Bromo- and Extra-Terminal domain" ...

AI uncovers hidden immune defenses inside bacteria

Researchers at the Massachusetts Institute of Technology (MIT) have discovered thousands of new proteins that protect bacteria from virus attacks using an AI system called DefensePredictor. What would usually take months ...

Emperor penguins listed as endangered species: IUCN

The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife announced on Thursday.

New study reveals the depth of children's nuclear anxiety

As geopolitical tensions rise globally, a new study published in Critical Studies on Security warns that the shadow of the "mushroom cloud" is weighing heavily on the next generation. The research paper, titled "Mushrooms, ...

New Hampshire ski industry concerned about climate change

New research out of the University of New Hampshire reveals that the majority of New Hampshire ski industry professionals are concerned about the effects of global warming on the ski industry, which generates close to $278.8 ...

March smashes heat records for continental US

March's persistent unseasonable heat was so intense that the continental United States registered its most abnormally hot month in 132 years of records, according to federal weather data. And the next year or so looks to ...

Soaring petrol prices are hurting more than your wallet

Australians don't need an economist to tell them they're hurting at the petrol pump. They feel it every time they pull into a service station, every time they rethink a planned holiday, or every time they've had to squeeze ...

How mitochondria organize our 'second genome'

EPFL scientists have discovered that a simple shape change in mitochondria helps cells evenly distribute their mitochondrial DNA, solving a long-standing puzzle.

Underground lab clears crucial hurdle for dark matter hunt

Australia's bid to detect elusive dark matter has taken a major step forward, with new research confirming that cosmic radiation levels deep inside the Stawell Underground Physics Laboratory (SUPL) are low enough to support ...

Urban stormwater ponds support rich bird life

Urban stormwater ponds provide important habitats for birds, including both resident and migrating species, according to research led by the University of Toronto. For the study, researchers placed audio recorders at 16 stormwater ...