Evolution
Humans Are All More Closely Related Than We Commonly Think
Humanity’s most recent common ancestor and so-called genetic isopoint illustrate the surprising connections among our family trees
Ask the Experts776 articles archived since 1845
Medicine
When and Why You Should Get a Flu Shot
Experts explain why getting vaccinated is important every year—and especially during a pandemic
Evolution
How Do Scientists Determine the Ages of Human Ancestors, Fossilized Dinosaurs and Other Organisms?
Experts explain how radiometric dating allows them to reconstruct ancient time lines
EARTH
When Will All the Ice in the Arctic Be Gone?
A climatologist and ice researcher examines the latest trends and data
Behavior & Society
Is Only-Child Syndrome Real?
Children without siblings have long been thought of as spoiled and selfish. Are the claims true?
Neuroscience
Why Don’t We Forget How to Ride a Bike?
The way memories are anchored in the brain plays a role, neuropsychologist Boris Suchan explains
Cognition
What Causes Alcohol-Induced Blackouts?
In search of answers, a neurobiologist looks to rodents
Medical & Biotech
How Accurate Are Online DNA Tests?
Geneticist and author Adam Rutherford examines the evidence
Behavior & Society
How Accurate Are Personality Tests?
Precious few personality assessments are known to be reliable, and researchers say their use outside academia is debatable
Public Health
Why Haven't We Cured the Common Cold Yet?
Researchers think they’re close to a cure for the common cold, but they first need to solve a complex problem that’s perplexed scientists for decades
