Optics & Photonics

'Flying focus' laser overcomes key limitation in plasma-based particle accelerators

In a new Nature Physics study, researchers accelerated electrons to more than twice the energy predicted by the traditional dephasing limit for laser-plasma accelerators operating over the same distance. This was made possible ...

Plants & Animals

Pulsed radiofrequency magnetic fields may disorient migratory birds, experiments suggest

Every year, millions of migratory birds travel between different geographical regions on Earth to find food, escape cold weather or reach safe environments to raise chicks. To determine which direction to fly, these birds ...

Dodo birds more clever than we thought

The Mauritian dodo—a global symbol of human-caused extinction and one of the world's largest pigeons—may not have deserved its reputation as a silly simpleton and may have been the only member of its group to live in the ...

Mega-study analyzes the impact of gratitude interventions

Are some interventions designed to induce gratitude more effectively than others? In which countries and cultures do they work best to improve mood, strengthen bonds between people and promote social reciprocity? A study ...

Gut cells may measure hunger by how watery their insides become

Researchers led by Sa Kan Yoo at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have discovered that the natural turnover of gut cells in fruit flies depends on how much food the flies get, rather than on ...

Nocturnal 'coffee frog' discovered in Costa Rica

A tiny greenish, nocturnal frog that thrives in coffee plantations has been discovered in Costa Rica's central Pacific region, where it also faces risks from agrochemicals used in farming.

Study points to new target for treating aggressive brain cancer

Glioblastoma remains one of the deadliest cancers, with limited treatment advances and tumors that often resist radiation and chemotherapy. New research from The Ohio State University Comprehensive Cancer Center–Arthur G. ...

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Tech Xplore

XENONnT detector narrows the hunt for dark matter

Using a detector filled with nearly 9 metric tons of liquid xenon, researchers have delivered some of the most sensitive dark matter results ever recorded. In the latest analysis from the XENON collaboration, working at the ...

Canada tries to adapt to a future of wildfires

Faced with another summer when wildfires have scorched millions of hectares of land and blankets of smoke have disrupted daily life nationwide, Canada is trying to limit the annual devastation.

Protein-enriched ketchup gets boost from algae extracts

Added protein is showing up in foods from breakfast cereal to pasta, but not many condiments … yet. Researchers have now developed an enriched tomato ketchup by incorporating protein extracted from algae. A panel of taste ...

What makes companies dodge taxes?

Few tax issues generate more public frustration than big corporations paying little, or sometimes nothing, in federal income tax. Since 2018, U.S. corporations have faced a 21% federal corporate income tax rate, the lowest ...

Brain activity reveals the melodies that people imagine

In a study led by Jii Kwon and Chun Kee Chung of Seoul National University, researchers explored whether they could recreate melodies from the brain activity of people who imagined how songs continue after listening to a ...

What Australian lakes showed us about Martian hydrology

The expansive red bluffs of Western Australia's Yilgarn Craton give the landscape a Martian appearance. It turns out the resemblance is more than superficial: The Yilgarn Craton also shares geological characteristics with ...

Researchers uncover new mechanism behind DNA repair

Roughly 20 million people receive a cancer diagnosis each year, and an estimated 1 in 5 people will receive a cancer diagnosis in their lifetime. Cancer cells arise from damage to the cell's instruction manual: DNA.

Low-cost, rare-earth-free material for carbon recycling

To improve carbon recycling and reduce emissions, researchers at Science Tokyo developed iron-substituted calcium titanate (Fe-doped CaTiO3) as an environmentally friendly support material for chemical looping, a process ...