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Stories by Lydia Chain

Is It Time to Give Up on Dark Matter?

There is still good reason to think undiscovered fundamental particles act as gravitational glue for galaxies.

January 17, 2017 — Lydia Chain, Lee Billings and Michael Lemonick

How Your GPS Uses Einstein's Relativity

Time flows slightly faster on the Global Positioning System satellites than it does on the ground, so Einstein's relativity theory comes into play when figuring out where on Earth you are.

January 6, 2017 — Lydia Chain

How the Military Surveils Santa

In a Christmas tradition, the defense organization NORAD helps us keep track of Santa as he zips around the world delivering toys.

December 22, 2016 — Lydia Chain

The Year in Planetary Science

Take a light-speed trip through the solar system to catch up on 2016’s biggest stories from our celestial neighborhood.Produced with support from Explore Scientific

December 1, 2016 — Lydia Chain, Lee Billings and Michael Lemonick

The Math behind the Polls

When polls try to tease out what a group of people is thinking, what are they measuring and how can they go wrong?

November 29, 2016 — Lydia Chain

Solving the Rubik's Equation

Author and “Speedcuber” Ian Scheffler reveals some of the math behind how you could solve the Rubik’s cube puzzle.

October 24, 2016 — Lydia Chain

Do Einstein's Theories Explain Portals in Comics?

Could Superman’s punch send you through a wormhole? Scientific American editors discussed how general relativity relates to black holes, and wormholes, and Dr. Strange’s portals.

October 10, 2016 — Lydia Chain and Dyani Sabin

What Makes a Cucumber a Pickle?

We picked a peck of pickle pictures to show you how helpful bacteria and salt transform this cucumber into a tangy treat.

September 16, 2016 — Lydia Chain and Carmen Drahl

Stand Up for Science Journalism!

Staying informed has never been more important.