A time zone defines a region on Earth where the same standard time is observed, typically based on the Earth's position relative to the Sun. The globe is conventionally divided into 24 time zones, ...

Two atoms, trapped by beams of laser light, are shown in a special quantum state called hyper-entanglement. In this state, both their motion and internal energy are linked, opening new ...

In the Figure 6(b) the Poincaré section shows a strange attractor with fractal appearance, which indicates the presence of chaos. The pendulum dynamics was, in this case, a tumbling chaos. Hence, the ...

The idea behind the Zel’dovich effect came from an unusual place. In 1969, British physicist and mathematician Roger Penrose suggested that energy could be extracted from black holes by lowering ...

“If you compare [conservation] with the oil industry or the meat industry, they’re way more aligned than we are,” he says. Competition for funds, a history of fortress philanthropy, and disagreement ...

The model maintains mass-energy conservation and suggests that these singularities occur more than once, unlike the singular Big Bang event. Future validation may come from ground-based telescopic ...

Hunting is an integral part of conservation in the Lone Star State, according to the Texas Wildlife Association, and the U.S. Fish & Wildlife Service refers to hunters as the “driving force ...

A total of 229 out of 718 bird species in the U.S. are now classified as high or moderate conservation concerns, according to the 2025 State of the Birds report, which was produced by a consortium ...

Numerous events and policy decisions across the world in the last several months are causing despair among many environmentalists. The abrupt freeze, and potential termination, of international ...