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Phys.org / How simple amber lights could make nights safer for insects

Approximately 40% of insect species worldwide are thought to be in decline and under threat of extinction. Among the key causes are habitat loss, pollution and climate change. Another threat is artificial light from sources ...

37 minutes ago
Phys.org / Climate change could dramatically reduce water flowing from the West's headwaters

The small mountain streams that feed many of the West's rivers may face a much drier future. A new study led by NAU researchers found that groundwater-fed streamflow, known as base flow, has been steadily declining across ...

1 hour ago
Phys.org / Webb reveals warped structure in nearby TW Hydrae's protoplanetary disk

Using the James Webb Space Telescope (JWST), astronomers obtained high-contrast coronagraphic images of the protoplanetary disk around the young, nearby star TW Hydrae. Results of the observational campaign, published July ...

2 hours ago
Phys.org / New microscopy method achieves angstrom-scale localization precision with one laser

Researchers in the lab of Sam Peng, the Pfizer Inc.–Gerald Laubach Career Development Assistant Professor of Chemistry at MIT and a core institute member of the Broad Institute of MIT and Harvard, have developed a super-resolution ...

1 hour ago
Phys.org / DESI side project reveals the spectra of disintegrated exoplanets

Using spectral data from the Dark Energy Spectroscopic Instrument (DESI), astronomers have gained some of the clearest evidence yet that white dwarf stars are accreting debris from disintegrating exoplanets. Captured while ...

7 hours ago
Medical Xpress / Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression

Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, ...

3 hours ago
Phys.org / Laid to rest with care: Ancient infants, perhaps twins, found in 1,200-year-old latrine

More than 1,000 years ago, two babies were tucked away in an abandoned Roman toilet channel. Yet, despite what the location suggests, they were cherished, not discarded.

4 hours ago
Phys.org / Supergene solves evolutionary puzzle of mirror-image flowers

The left-right asymmetry of South African butterfly lilies (genus Wachendorfia) has been regarded as a classic evolutionary puzzle for more than a century. Due to the mirror-image arrangement of the floral parts, the plants ...

2 hours ago
Medical Xpress / Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas

Ancient mummy DNA recovered in Chile has yielded the firmest evidence yet that European colonization brought smallpox to the Americas.

1 hour ago
Phys.org / Antibiotic resistance is spreading through South Africa's water systems. This study explains how

Antimicrobial resistance (AMR) is defined as the ability of disease-causing microorganisms to withstand treatments like antibiotics.

1 hour ago
Medical Xpress / Deadly brain tumors show vulnerability to new sound wave approach

In a promising sign for the potential of focused sound waves to improve care for brain tumors, UVA Health researchers have determined that tumors called gliomas may be even more receptive to targeted drug delivery than normal ...

7 hours ago
Phys.org / Why some nitrogen-processing enzymes are more efficient than others

Nitrogen gas is abundant in Earth's atmosphere, but most living organisms can't readily use it. Only a subset of microbes with enzymes known as nitrogenases can break nitrogen gas apart and convert it into ammonia.

3 hours ago