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Medical Xpress / Overlooked ribosomal DNA may help explain human size differences

Ribosomal RNA (rRNA), made from many copies of ribosomal DNA (rDNA), is the core component that powers ribosomes—protein-building machines in our body. It helps build proteins by linking amino acids together, and can also ...

Apr 14, 2026
Phys.org / Human sense of smell evolved with diets and lifestyle, genetic study suggests

From the ability to detect the smell of wet soil to the scent of ripe fruit, the human olfactory system has evolved over thousands of years in response to how people live and what they eat, according to a new genetic study ...

Apr 16, 2026
Phys.org / Ethiopia's Afar Rift provides glimpse into life and death 100,000 years ago

The study of ancient cultures around Ethiopia during the Middle Stone Age (MSA) time period is important for understanding how some of the first Homo sapiens lived and eventually left Africa. Unfortunately, there are not ...

Apr 14, 2026
Phys.org / Polymer physics reveals DNA loops are formed by single molecular motors

Scientists from Skoltech and the University of Potsdam have developed a physical theory that sheds light on how molecular motors organize the three-dimensional structure of the genome. Using theoretical polymer physics and ...

Apr 16, 2026
Phys.org / Astronomers find evidence for three subpopulations of merging black holes

Astronomers analyzing gravitational-wave data from the LIGO-Virgo-KAGRA Collaboration have reported that merging binary black holes fall into three distinct categories. The study shows that the three subpopulations have their ...

Apr 11, 2026
Phys.org / Voluntarily disclosing incarceration may help job prospects, study shows

New research led by the University of Houston suggests that formerly incarcerated people are more likely to receive job search assistance if they voluntarily disclose their past while highlighting accomplishments earned during ...

Apr 17, 2026
Phys.org / Back on Earth, Artemis II crew still finding their footing

Nearly a week after their Pacific splashdown, the astronauts who crewed the Artemis II mission that flew around the moon told reporters Thursday they have yet to fully grasp the magnitude of the moment.

Apr 17, 2026
Phys.org / New metric identifies at-risk mangroves before they disappear

Scientists from UC San Diego's Scripps Institution of Oceanography and the Centro para la Biodiversidad Marina y la Conservación in Mexico have developed a tool that identifies mangrove patches facing the greatest risk of ...

Apr 16, 2026
Phys.org / A tabletop ring of atoms brings the universe's doomsday vacuum collapse into the lab

Physicists in China have simulated the effect of "false vacuum decay": a phenomenon believed to play out constantly in the seemingly empty expanses of space, and which one theory even suggests could bring an abrupt end to ...

Apr 13, 2026
Medical Xpress / Fat cells steer flies away from pathogen-tainted food through a newly revealed neural circuit

If humans or animals eat something that causes them to feel unwell, they subsequently avoid this food source. Until now, it has been unclear precisely how this avoidance learning takes place. A new study shows that communication ...

Apr 16, 2026
Phys.org / Simulations generate thousands of cyclone scenarios to predict extreme flooding in Bay of Bengal

Powerful cyclones can push seawater miles inland, threatening densely populated communities and critical infrastructure built along coastal areas. A combination of exposure and complexity makes the Bay of Bengal in Southeast ...

Apr 16, 2026
Tech Xplore / Making AI safer for victims of intimate partner violence

Conversational AI tools denied blunt requests for harmful content by researchers posing as intimate partner abusers, but these guardrails were easily circumvented when they requested the content under false pretenses, a new ...

Apr 16, 2026