Phys.org news

Phys.org / Bacteria-killing polymers—a new class of antibiotic?

Swimming in the blood, sweat, cells and tears of every human are small proteins known as peptides. Many peptides can kill bacteria on contact, yet the bacteria never seem to evolve resistance to them. Mass-produced peptides ...

6 hours ago
Phys.org / Milky Way's first microblazar may produce fastest particles in the galaxy

An international team of astronomers from ASTRON, JIVE, the University of Amsterdam and other institutions has found the first so-called "microblazar" in the Milky Way. This stellar system is composed of a massive star and ...

3 hours ago
Phys.org / Carbon nanotube foams reveal a new kind of mechanical memory

In their earliest years of development, computers used mechanical gears and levers to store information. Today, researchers are exploring whether a material itself can hold onto information, storing memory in how it bends ...

6 hours ago
Phys.org / Can a long-lived seabird evolve fast enough to avoid extinction under a changing climate?

As the climate changes, species face a critical question: Can they evolve quickly enough to keep pace with their changing environment?

4 hours ago
Phys.org / Iron complex breaks down stubborn pollutant using light-powered reaction

The molecular culprit behind harmful algal blooms and some groundwater contamination is the same thing that has kept civilization fed for millennia: a stable form of nitrogen called nitrate.

10 hours ago
Phys.org / Hot spring amoeba breaks record for heat tolerance of complex life

A tiny, single-celled organism can thrive at temperatures that would kill all other known complex life. In a study published in Cell, scientists describe a new species of amoeba that can eat and reproduce in hot spring water ...

4 hours ago
Phys.org / A 42-light-year X-ray tail links a pulsar to previously 'orphan' gamma rays

Understanding the origin, acceleration and propagation of high-energy cosmic rays has been a century-old mystery in astrophysics. Recently, joint observations from China's Einstein Probe (EP) satellite and the Large High ...

11 hours ago
Phys.org / A tiny chariot fitting reveals Egyptian glass reached Iron Age Britain

At the end of last year, curators from the Ashmolean Museum in Oxford came to Diamond to learn more about a 2,000-year-old prehistoric artifact. Using the microfocus beamline at I18, researchers unlocked new insights into ...

4 hours ago
Phys.org / Newly discovered orange killifish in the Brazilian Amazon may already be endangered

Researchers have discovered a new species of brilliantly colored fish from a network of forest streams in the Brazilian Amazon and have already recommended it for listing as Endangered because of the pressures facing its ...

5 hours ago
Phys.org / Liquid crystal takes page from steel in surprising phase transition

A type of transformation best known for hardening steel and enabling shape-memory alloys may also occur in a much softer class of materials, according to new research from Rice University. Researchers in the departments of ...

5 hours ago
Phys.org / Rope, twine and thread: Invisible technologies of the Stone Age

When an abstract-looking ivory artifact emerged from the Hohle Fels cave in southern Germany in 2015, archaeologists didn't know quite what to make of it. Previously, the same cave had yielded what may be the world's oldest ...

6 hours ago
Phys.org / Jupiter uses a surprisingly complex system to fend off particles from the sun

A University of Iowa-led research team has reported in a new study the most detailed observations to date of the bow shock at Jupiter, our solar system's gas giant. The findings from NASA's Juno mission reveal key differences ...

20 hours ago