Phys.org news

When it comes to deciding where they're going to get their next meal, different species of bees may be attracted to different flower traits, according to a study led by researchers at Penn State and published in PNAS Nexus.

A balanced diet is important for reducing hunger and malnutrition. Researchers thus advocate that small farmers in low- and middle-income countries should try to produce as many different foods as possible for their own consumption.

NSF NOIRLab rings in the New Year with a glittering galaxyscape captured with the Department of Energy-fabricated Dark Energy Camera, mounted on the U.S. National Science Foundation Víctor M. Blanco 4-meter Telescope at ...

Waves of human migration across Europe during the first millennium AD have been revealed using a more precise method of analyzing ancestry with ancient DNA, in research led by the Francis Crick Institute.

Scientists at the Allen Institute have identified specific cell types in the brain of mice that undergo major changes as they age, along with a specific hot spot where many of those changes occur. The discoveries, published ...

Fast radio bursts are brief and brilliant explosions of radio waves emitted by extremely compact objects such as neutron stars and possibly black holes. These fleeting fireworks last for just a thousandth of a second and ...

Mechanical force is an essential feature for many physical and biological processes. Remote measurement of mechanical signals with high sensitivity and spatial resolution is needed for a wide range of applications, from robotics ...

The new year will bring a pair of lunar eclipses, but don't expect any sun-disappearing acts like the one that mesmerized North America last spring.

Ebola is a deadly hemorrhagic disease caused by a virus that is endemic in parts of East-Central and West Africa. Most people are aware that a primary route for person-to-person transmission is through contact with bodily ...

A joint research group team led by Sayuri Tsukahara and Tetsuji Kakutani of the University of Tokyo has clarified a mechanism of how retrotransposons, genetic elements that can "jump around" chromosomes and are known drivers ...

Researchers have come up with a new way to identify more infectious variants of viruses or bacteria that start spreading in humans—including those causing flu, COVID, whooping cough and tuberculosis.

When quantum electrodynamics, the quantum field theory of electrons and photons, was being developed after World War II, one of the major challenges for theorists was calculating a value for the Lamb shift, the energy of ...