Archaeology

No more giants, no more heavy handaxes: Why early humans downsized their stone tools

For more than 1 million years, early humans in the Levant region of the eastern Mediterranean used a range of heavy tools, such as massive handaxes and stone balls, for important tasks, including processing animal carcasses. ...

Biochemistry

How surface chemistry impacts the performance of malaria nets

Insecticide-treated bed nets remain one of the most effective tools in malaria prevention, acting both as a physical barrier and as an insecticidal surface that kills or disables mosquitoes before they can transmit disease. ...

Examining embryo model ethics beyond box-checking

In science, ethical guidelines ensure that research takes place in a way that respects public trust and is conducted responsibly. Traditional ethics approval procedures work well for projects following established practices, ...

How an overactive immune system can drive cancer

The immune system is designed to protect us against viruses and bacteria. In autoimmune diseases, however, the immune system instead attacks the body's own cells. Conditions such as systemic lupus erythematosus (lupus) and ...

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Tech Xplore

Fat-producing enzyme may amplify damage in Parkinson's disease

A fat-producing enzyme in brain cells may play a key role in driving damage in Parkinson's disease and could offer a new target for treatment, scientists at Nanyang Technological University, Singapore (NTU Singapore) have ...

Rock bonding changes understanding of earthquake mechanics

When tectonic plates move, they rarely do so smoothly. Sometimes they slide almost imperceptibly; at other times, stress is suddenly released—resulting in an earthquake. What exactly governs this behavior remains one of the ...

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 ...

Twin NASA control rooms support Artemis safety, success

Twin control rooms at NASA's Marshall Space Flight Center in Huntsville, Alabama, are actively supporting real-time mission operations in lunar orbit as part of the agency's Artemis II mission, helping ensure astronaut safety ...

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 ...

A single enzyme keeps neuroblastoma alive—how to shut it off

The tumor begins before birth. Somewhere in the developing fetus, neural crest cells that should have matured into adrenal tissue or sympathetic ganglia take a wrong turn, and a child is born harboring a malignancy that may ...

Experiments refute dark matter claim

The doctoral thesis of Sophia Hollick, Ph.D. '25, a recent graduate of Yale's Wright Lab in professor Reina Maruyama's group, has significantly contributed to answering a decades-long question in her field about whether or ...

Two new gecko species discovered in Vietnam

The half leaf-fingered geckos (Hemiphyllodactylus) are a diverse group with more than 70 recognized species and a distribution range from southern India and Sri Lanka, through Indochina and Southeast Asia, to the western ...

Unlocking designer roots for future cereal crops

A plant signaling gene has been identified as a promising target for breeding cereal crops to produce a steeper, narrower root system architecture, but with associated yield penalties in barley. University of Queensland Ph.D. ...

German firms trapped between US and China, study finds

Germany's largest companies are deeply entangled with rival businesses in China and the US, and unable to escape either superpower, according to new research published by the University of Sussex and King's College London. ...