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SciencePhys.org14h ago

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 states and, if so, for how long. The measured long-lived states may find a...

SciencePhys.org15h ago

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 are increasingly using large population biobanks to investigate how n...

SciencePhys.org16h ago

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 rely on private water wells, which may not be routinely tested, leading...

SciencePhys.org16h ago

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 technique that makes another usually invisible phenomenon visible: su...

SciencePhys.org17h ago

Native fine-flavor cacao can match commercial varieties in yield, study finds

A study carried out on smallholder farms in northern Peru shows that Blanco de Piura, a native fine-flavor cacao variety, can achieve productivity levels comparable to those of commercial varieties widely grown across Latin America. The research, led by the Alliance of Bioversity International a...

SciencePhys.org17h ago

How did inbred brown tree snakes take over the island of Guam?

If you look up invasive species in a textbook, there's a good chance you'll find a picture of a brown tree snake. Native to Australia and the South Pacific, the brown tree snake arrived on Guam sometime after World War II, possibly by stowing away aboard cargo planes.

SciencePhys.org17h ago

Unraveling the climate behind the collapse of Bronze Age civilizations

The most severe droughts in the ancient Eastern Mediterranean arose when multiple natural climate cycles coincided, according to a new study from Stockholm University published in Science Advances. The findings shed new light on the climate conditions surrounding the Late Bronze Age collapse and...

SciencePhys.org17h ago

Hydrogel electrode improves stability of insect-based odor sensors for drones

Drones are increasingly being used for disaster response, infrastructure inspection and environmental monitoring. However, most drone systems rely primarily on cameras and other visual sensors, which can become ineffective in smoke, dust, darkness or collapsed structures. Odor sensing could pro...

ScienceNASA17h ago

NASA’s ESCAPADE Snaps Family Portrait of Earth, Moon

On July 3, one of NASA’s two Mars-destined ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers) spacecraft captured photos of Earth and the Moon in visible and thermal infrared light.

SciencePhys.org17h ago

Algorithms create foundry-ready photonic circuits

Photonic microchips can process data at extremely high speeds and are embedded in a wide variety of today's technologies. Researchers at the Max Planck Institute for the Science of Light (MPL) and Harvard University have now succeeded in developing three functional components for such chips that...

SciencePhys.org17h ago

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 and restaurants across the region.