This edition is archived.

Study reveals children see number lines in different ways

We deal with numbers nearly every day of our lives. Looking at the way children use numbers helps to explain how we can remember so many of them.

Art Benjamin displays power of magic and mental mathematics

Art Benjamin, a professor of math at Harvey Mudd College, gave a seminar this month at Carnegie Mellon, combining magic and mental mathematics.

HealthTalk: Trans fat

Trans fat has been demonized in the nutritional world. Learn why its harmful effects can increase the risk of heart disease.

How Things Work: Stars

Learn how stars are born, how they live, and how they die; and why they glow so brightly at night.

SciTech Briefs

A new dinosaur related to T. Rex has been recently constructed and analyzed; one unusual feature, a hump, has never been recorded before in any dinosaur.

« Newer stories Older stories »