Math puzzle: Fix the matchstick equation
Fix the matchstick equation in this math puzzle
Interdisciplinary
Female beast hunters battled leopards in ancient Rome
Mosaic depictions of a weapon-wielding female gladiator are the first physical evidence showing women in ancient Rome could be skilled beast hunters
How commercial satellites are changing modern warfare
Commercial satellites can now watch much of Earth in near-real time. Militaries are learning new ways to fool them
Quantum computing is reaching its make-or-break moment
Will computers based on quantum physics really change the world?
Rare graves reveal a lost world of Bronze Age Europe hidden for 3,000 years
Scientists have uncovered remarkable new details about Bronze Age life in Central Europe by studying rare burials untouched by cremation. The research reveals communities experimenting with new…
New study strengthens idea that humans evolved from knuckle-walking ancestors
Analysis charts evolution of the joint that made our species so nimble
In This Issue
Proceedings of the National Academy of Sciences, Volume 123, Issue 20, May 2026. <br/>
Vaccine experts debate options to combat outbreak of unusual Ebola strain
Small monkey experiments raise some hopes—and many questions
Can extra snoozing reverse the health hazards of a bad night’s sleep?
Catching more z’s the day after a shortened slumber appears to reduce risk of early death
Antarctic glacier collapses at record speed as Hektoria retreats 15 miles in just 15 months
Antarctica’s Hektoria Glacier collapsed with shocking speed, retreating 15 miles in only 15 months and setting a modern record for grounded ice loss. Scientists say warming conditions and…