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Phys.org / Long-lived ytterbium states could sharpen quantum computing and atomic clocks

Researchers from the University of Amsterdam and the University of New South Wales have answered a question that has been around for decades: whether ions of the metal ytterbium can enter certain long-lived, nearly stable ...

34 minutes ago
Medical Xpress / Licensed Zaire Ebola vaccine may offer partial protection against Bundibugyo outbreak

Ebolaviruses are among the most dangerous known human pathogens. Three ebolavirus species have repeatedly caused major disease outbreaks on the African continent. Most outbreaks have been caused by Zaire ebolavirus. Vaccines ...

54 minutes ago
Phys.org / Scientists turn modern biobanks into a new window on human evolution

For more than a century, scientists have sought to reconstruct human evolution using diverse lines of evidence, including fossils, genetic variation across populations and ancient DNA. Building on these approaches, researchers ...

2 hours ago
Phys.org / Can a robot tutor give too much help? Why timing matters

A learner stands in a room with a bottle, a cup and a book. The task is to figure out, step by step, where each object belongs in the room. Under the table? Or perhaps on the chair? A humanoid robot gives the instructions—but ...

1 hour ago
Phys.org / How fishing may be changing one fish species at the molecular level

The pearly razorfish (Xyrichtys novacula) is a small marine animal that lives in sandy coastal waters and feeds on creatures like shrimp. Known locally in Spain's Balearic Islands as raors, it is a popular dish in many homes ...

4 hours ago
Phys.org / Study explores the hedging capability of cryptocurrencies in turbulent markets

The rapid growth of sustainable finance in recent years has fueled interest in green investment, ranging from green bonds and environmental, social and governance (ESG) funds to energy-efficient cryptocurrencies. While these ...

1 hour ago
Medical Xpress / Large-scale brain analysis reveals multiple pathways to placebo effects on pain

Scientists have long known that expectations can reduce pain. What remained unclear was whether different ways of generating placebo effects rely on the same biological mechanisms. A new study published in Nature Communications ...

2 hours ago
Phys.org / Why and how birdsong differs across the world—and the eight motifs that tie them together

Birdsong carries meaning across open space, helping birds attract mates, defend territory and communicate with rivals. While there has been much research into the use of birdsong across species, researchers have lacked a ...

5 hours ago
Phys.org / Gold-catalyzed chemical reaction advances next-generation anticancer prodrugs

Anticancer prodrugs have attracted significant attention from the medical and scientific communities in recent years because of their potential to improve treatment precision while reducing side effects. These drugs are engineered ...

2 hours ago
Phys.org / New methods for removing harmful nitrates from drinking water identified

Nitrate contamination of drinking water poses a major health concern, particularly in agricultural communities where fertilizers, livestock manure and septic systems can leach nitrates into groundwater. Many rural households ...

2 hours ago
Phys.org / Quantum dots reveal hidden light waves on metal surfaces

Photographs can reveal things that are otherwise impossible for the naked eye to see, be they distant galaxies or microscopic cells. Researchers at Osaka Metropolitan University have developed a practical and versatile imaging ...

3 hours ago
Phys.org / Why evolution never produced mammal teeth that slice and crush equally well

Evolution is all about trade-offs. Traits that may be beneficial in one situation may backfire in another. Over millions of years, species can become specialized for one way of living rather than being equally good at everything. ...

6 hours ago