Betel nuts have been giving people a buzz for over 4,000 years

Ancient teeth reveal that a stimulant has been used since the Bronze Age. Ancient rituals and customs often leave behind obvious archaeological evidence. From the impeccably preserved mummies of Egypt to psychoactive substance residue that remained at the bottom of a clay vessel for thousands of years, it seems…

The fight over science funding: Congress vs. the OMB

The Senate is restoring science funding to normal levels; that may not be enough. It’s pretty obvious at this point that the Trump administration is waging a full-scale assault on US science. It has proposed budgets that would be catastrophic, stopped the flow of research funds to a number…

Physics of badminton’s new killer spin serve

Adding a pre-spin affects shuttlecock’s oscillating behavior, depending on direction of rotation. Serious badminton players are constantly exploring different techniques to give them an edge over opponents. One of the latest innovations is the spin serve, a devastatingly effective method in which a player adds a pre-spin just before…

The case of the coke-snorting Chihuahua

Cocaine normally makes the heart race, but in this case the dog was lethargic, with a slower heart rate. Every dog owner knows that canines are natural scavengers and that vigilance is required to ensure they don’t eat toxic substances. But accidental ingestions still happen—like the chihuahua who vets…