Simpson's Paradox: Why Adding Up the Numbers Can Make Them Lie
A statistical phenomenon reveals how combining data can reverse the truth entirely. Men appeared to have an admission advantage at UC Berkeley—until researchers looked closer.
Science is Mostly Happy Accidents
A massive study of 1.2 million biomedical papers reveals that 70% of published research finds something nobody predicted. Your image of the scientific method is probably wrong.
A Blood Test That's Better at Finding Cancer Than Preventing It
The FDA-approved Shield blood test detects 83% of colorectal cancers but catches only 13% of precancerous polyps—inverting everything we expect from preventive screening.
Men Hit the Same Aging Wall as Menopausal Women—and Nobody Expected That
Scientists found that men in their 40s undergo the same dramatic molecular aging surge as women, suggesting menopause isn't the culprit—something deeper is.
How a Drug Can Beat Placebo—Until You Actually Look at the Data
Simpson's Paradox reveals a statistical nightmare: a treatment can appear superior overall but lose to placebo in every single subgroup. Here's how it happens.
Young Adults Can't Sleep. Old People Can. Science Has No Idea Why.
Conventional wisdom says aging ruins sleep. But 18-to-44-year-olds struggle to fall asleep more than people over 65—and the reasons might not be what you think.
We've Built More Stuff Than Nature Ever Grew
Human civilization has created 1.1 trillion metric tons of material—matching the total dry weight of every plant, animal, and microorganism on Earth combined.
The Paradox That Broke COVID Statistics: How Italy Could Be Deadlier Than China in Every Possible Way—Except One
COVID-19 killed a higher percentage of Italians than Chinese overall in 2021, yet Italian survival rates topped Chinese rates in literally every age group. Welcome to Simpson's Paradox.