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Phys.org / The origin of magic numbers: Why some atomic nuclei are unusually stable

For the first time, physicists have developed a model that explains the origins of unusually stable magic nuclei based directly on the interactions between their protons and neutrons. Published in Physical Review Letters, ...

6 hours ago in Physics
Tech Xplore / Building batteries that don't break in the cold

Extreme winter weather can strain power systems, stall electric vehicles and leave backup batteries unable to deliver energy when it is most needed. Researchers at Texas A&M University have now developed a battery design ...

1 hour ago in Engineering
Phys.org / Flipping and reversing mini-proteins could improve tuberculosis treatment

Antibiotic treatments are losing effectiveness against a range of common bacterial pathogens, including E. coli, K. pneumoniae, Salmonella and Acinetobacter, according to a warning issued by the World Health Organization ...

1 hour ago in Biology
Phys.org / Green or not, US energy future depends on Native nations

The Trump administration's drive to increase domestic production of fossil fuels and mining of key minerals likely cannot be accomplished without a key constituency: Native nations.

1 hour ago in Earth
Phys.org / NOvA maps neutrino oscillations over 500 miles with 10 years of data

Neutrinos are very small, neutral subatomic particles that rarely interact with ordinary matter and are thus sometimes referred to as ghost particles. There are three known types (i.e., flavors) of neutrinos, dubbed muon, ...

6 hours ago in Physics
Phys.org / New experiments suggest Earth's core contains up to 45 oceans' worth of hydrogen

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's suspected to be a major ...

3 hours ago in Earth
Phys.org / Why Aristotle would hate Valentine's Day, and his five steps to love

Valentine's Day is traditionally a time of heart-shaped balloons, overpriced roses and fully booked restaurants. Couples kiss and hold hands, smiling selfies celebrate a day of public displays of devotion.

1 hour ago in Other Sciences
Phys.org / Love stories of the Berlin Wall: Couples reunited via tunnels, hot air balloons and zip wires

The people of Berlin woke on August 13, 1961, to discover that their city had been split in two.

1 hour ago in Other Sciences
Phys.org / Subaru observations suggest an intrinsic gap in NGC 5466's tidal stream

Astronomers from the National Astronomical Observatory of Japan (NAOJ) and elsewhere have used the Subaru Telescope to perform deep imaging observations of a distant globular cluster known as NGC 5466. The observational campaign ...

6 hours ago in Astronomy & Space
Phys.org / Will artificial snow save the ski industry in the long run, or curse it?

At the Winter Olympics, athletes race down immaculate white slopes. The snow looks perfect. But it is largely manufactured.

1 hour ago in Earth
Phys.org / A new way to 'cage' plutonium

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types of plutonium-containing ...

2 hours ago in Chemistry
Phys.org / Strike against mask wearing in 1930s echoed COVID-19 protests, study finds

New research from The University of Manchester has shown that debates and resistance about wearing face masks go back a lot further than the COVID-19 pandemic. Dr. Meng Zhang, a Wellcome Trust Research Fellow at the University's ...

2 hours ago in Other Sciences