Heat Flows Backward and Hands Evolved Upward: Science Rewrites Assumptions

Oxford researchers analyzing 41 primate species have linked human right-handedness to walking upright and brain size, offering a unified evolutionary account of why roughly 90 percent of humans favor their right hand. The study suggests that bipedalism and brain expansion together created the neurological conditions favoring right-hand dominance — connecting three major evolutionary developments into a coherent adaptive narrative.

A separate discovery overturned basic assumptions in thermodynamics: physicists found that heat can flow backward in ultrathin semiconductors. The finding carries practical significance for electronics design at a moment when the AI industry is straining against the thermal limits of current chips. Better control of heat flow in semiconductors could yield more efficient processors that generate less heat and consume less power — exactly the properties needed for large-scale AI deployment.

NOAA is forecasting G1 to G2 geomagnetic storm conditions this weekend, with the northern lights potentially visible across 20 states as solar wind streams sweep past Earth. For satellite operators and space tourism companies, such events require protective measures and careful launch timing — a reminder that even the most advanced space infrastructure remains subject to solar dynamics.

American Fusion is pitching compact nuclear reactor technology to US defense officials, seeking SEC registration around May 15th. Defense applications — powering remote bases, naval vessels, or space installations without conventional fuel logistics — represent a strategic draw for a technology that has long promised but rarely delivered commercial viability. Recent advances in magnetic confinement and materials science are reportedly making compact reactors increasingly feasible, though the sector has a long history of optimistic timelines.