Phys.org news

Phys.org / Ancient Maya game board with unique mosaic design discovered in Guatemala

Centuries before Monopoly, there was Patolli, a high-stakes Mesoamerican game of strategy and luck where players wagered crops and wealth as they raced their opponents around a cross-shaped board.

2 hours ago in Other Sciences
Phys.org / Quantum ground states: Scalable counterdiabatic driving technique enables reliable and rapid preparation

Quantum ground states are the states at which quantum systems have the minimum possible energy. Quantum computers are increasingly being used to analyze the ground states of interesting systems, which could in turn inform ...

3 hours ago in Physics
Dialog / Hydrogenases spill the beans: Key catalytic moves revealed

Hydrogenases catalyze the reversible splitting and production of hydrogen gas (H2), using complex catalytic cofactors comprising Earth-abundant nickel and/or iron ions. These enzymes, especially the [NiFe]-hydrogenases (fig. ...

2 hours ago in Chemistry
Phys.org / Neanderthal women and children were the victims of selective cannibalism at Goyet, study reveals

The study of an assemblage of Neanderthal human bones discovered in the Troisième caverne of Goyet (Belgium) has brought to light selective cannibalistic behavior primarily targeting female adults and children between 41,000 ...

1 hour ago in Other Sciences
Phys.org / Tea leaf experiments suggest tropical forests may better withstand climate change

Researchers at Northern Arizona University and the Smithsonian found an unconventional method to understand how rainforests will survive with climate change—making tea with living leaves at the top of the rainforest canopy.

3 hours ago in Biology
Phys.org / Scientists track recent solar flare disruptions in Earth's ionosphere

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide swath of the globe—from northern Europe to Florida—researchers at NJIT's Center for Solar-Terrestrial ...

5 hours ago in Astronomy & Space
Phys.org / When trade routes shift, so do clouds: Researchers uncover ripple effects of new global shipping regulations

When militia attacks disrupted shipping lanes in the Red Sea, few imagined the ripple effects would reach the clouds over the South Atlantic. But for Florida State University atmospheric scientist Michael Diamond, the rerouting ...

5 hours ago in Earth
Phys.org / Metasurfaces etched into 2D crystals boost nonlinear optical effects at nanoscale

In January, a team led by Jim Schuck, professor of mechanical engineering at Columbia Engineering, developed a method for creating entangled photon pairs, a critical component of emerging quantum technologies, using a crystalline ...

5 hours ago in Physics
Phys.org / When gifts sting: Self-improvement presents may spark backlash and bad reviews

New research from FIU Business shows that well-intended presents like weight-loss teas or gym memberships can unintentionally send the wrong message—and ultimately trigger negative online reviews that hurt brands.

5 hours ago in Other Sciences
Phys.org / Lab-grown diamond coatings shown to prevent mineral scale in industrial pipes

In industrial pipes, mineral deposits build up the way limescale collects inside a kettle ⎯ only on a far larger and more expensive scale. Mineral scaling is a major issue in water and energy systems, where it slows flow, ...

5 hours ago in Nanotechnology
Phys.org / Info to decipher secret message in Kryptos sculpture at CIA headquarters sells for close to $1M

The information needed to decipher the last remaining unsolved secret message embedded within a sculpture at CIA headquarters in Virginia sold at auction for nearly $1 million, the auction house announced Friday.

5 hours ago in Other Sciences
Phys.org / Potentially distinct structure in Kuiper belt discovered with help of clustering algorithm

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical units (AU), where an AU is the distance between Earth and the sun. This region consists mostly of ...

21 hours ago in Astronomy & Space