Phys.org news

Phys.org / Why doesn't Venus have a moon? A new study may have the answer

Venus is one of the solar system's most unusual planets. It may sometimes be called "Earth's twin" because of its similar size and density, but it rotates on its axis in the opposite direction of most planets, has surface ...

6 hours ago
Phys.org / 'Power of disorder' tames CF₄, a semiconductor greenhouse gas that can persist for 50,000 years

Among the gases used in semiconductor manufacturing, tetrafluoromethane (CF₄) is a greenhouse gas more than 6,000 times as potent as carbon dioxide.

2 hours ago
Phys.org / Early mammals weren't all loners—some may have lived in pairs alongside the dinosaurs

About 200 million years ago, furry, little egg-laying creatures evolved the ability to feed their offspring with a secretion from special glands: milk. Their evolutionary journey continued, and by about 160 million years ...

3 hours ago
Phys.org / Nanoscale multiferroic materials open the path to efficient magnetic memory technology

With the rapid spread of cloud computing, artificial intelligence and data centers, global energy consumption is rising to new heights. A promising way to reduce this burden is to develop memory devices that store information ...

1 hour ago
Phys.org / Newly discovered 1666 manuscript may trace four-lens telescope experiments to Galileo

A potentially history-altering finding by a University of Limerick researcher may provide the most detailed technical analysis of a telescope demonstrably made by the famous astronomer and scientist Galileo Galilei.

4 hours ago
Phys.org / Chimpanzees have accents too, study finds

A study has found that young chimpanzees develop distinct population-specific vocal patterns as they mature (ontogeny), challenging the long-held assumption that their calls are inflexible and determined solely by genetics. ...

3 hours ago
Phys.org / Predictive tools can confuse rare mutations with dangerous ones

When a patient's DNA is read, it is compared with a reference version of the human genome. This allows geneticists and rare disease experts to look at a list of places where the patient's DNA differs. Most variations will ...

2 hours ago
Phys.org / A pair of spacecraft draw closer to Mercury after nearly decade-long voyage

Two Mercury-bound spacecraft left their mother ship behind on Thursday and headed down the home stretch of their nearly decade-long voyage to the solar system's smallest and closest-to-the-sun planet.

6 hours ago
Phys.org / Wrinkled or smooth? Cell growth mechanics determine shape of plant organs

When inner and outer cell layers of sepals—the leaf-like plant organs that cover and protect the flower bud before it opens—all grow upward, the organs stay smooth and uniformly stiff, which is optimal for the plant, according ...

4 hours ago
Phys.org / Scottish 'pregnant grandmother' microbe bursts open after growing offspring within

Scientists have revealed a bizarre microscopic creature that reproduces in a way reminiscent of the horror film" Alien." The microbe grows one or more new cells inside its own body before the outer "mother" cell ruptures ...

4 hours ago
Phys.org / Traces of nearly 4 million coins reveal how Rome achieved economic integration

For centuries, the study of ancient history relied primarily on interpreting classical texts and examining inscriptions and archaeological remains at their sites of origin or in museums. In recent years, however, a little-known ...

2 hours ago
Phys.org / Ig Nobel Prize winners reveal why babies smell better than teenagers

Babies smell wonderful—at least to their parents. An international research team of Ilona Croy, Tomasz Frackowiak, Thomas Hummel and Agnieszka Sorokowska investigated why teenagers lose this special olfactory advantage and ...

2 hours ago