Yet, on another scale, single-celled algae and spermatozoa manage to advance rapidly and with ease in highly viscous fluids ...

A theoretical framework predicts the emergence of non-reciprocal interactions that effectively violate Newton's third law in solids using light, report researchers from Japan. They demonstrate that by ...

Finally, after many long years, law and order is returning to our nation’s capital. In March, President Trump signed an executive order to “Make the District of Columbia Safe and Beautiful,” and part ...

It’s the theorem every mathematician believes in — yet no one can prove it. For decades, the brightest minds have tried and failed to explain why something so clearly true sits forever beyond reach.

For months on the campaign trail and after taking office, President Donald Trump promised that his tariff policies would be based on a simple principle: reciprocity. "Whatever they tax us, we will tax ...

Strategic acquisition expands capabilities in financial incentives and behavioral engagement, further strengthening Clutch's growing healthcare footprint AMBLER, PENNSYLVANIA / ACCESS Newswire / ...

As the Aug. 1, 2025, end date for President Donald Trump's most recent suspension of country-specific reciprocal tariffs approaches, stakeholders should consider where ongoing bilateral negotiations ...

"If equal affection cannot be, let the more loving one be me"—W. H. Auden Romantic love naturally craves reciprocity; yet not all forms of reciprocity are healthy. Some can, in fact, be toxic.

Abstract: The reciprocity theorem for two antennas is applied to the analysis of a relationship between a field incident on a single radiator and a field reflected from it. On its basis the method of ...

House Republicans are renewing efforts to expand concealed carry rights across state lines with a bill known as the Constitutional Concealed Carry Reciprocity Act. The legislation would require states ...