knowablemagazine.org

CAN YOU DIG IT

Stegosaur expert Susie Maidment is laying crucial groundwork for assigning ages to fossils from North America’s most dinosaur-rich rocks. More precise timings promise to reveal plenty about how the beasts lived and evolved through time.
A DOSE OF REALITY

Cancer researchers have long noticed that doses of chemo drugs that reliably kill cancer cells in laboratory cultures tend to be strikingly less effective in actual patients.
INFECTIOUS TREND

Studies that deliberately infect people with diseases are on the rise. They promise speedier vaccine development, but there's a need to shore up informed consent.
AT YOUR BEQUEST

Retirement is a time for spending, not saving. And yet many people hold on to their wealth. Understanding why, and where that money ends up, is of increasing importance as the US population ages.
DO YOU HEAR WHAT I AM?

Ultrasound isn't just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.