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Stories by Everyday Einstein Sabrina Stierwalt

What Are Chemtrails Made Of?

Believers in chemtrails say those trails are actually clouds of chemicals used by the government for nefarious purposes. But as Carl Sagan says, “extraordinary claims require extraordinary proof”

September 22, 2018 — Everyday Einstein Sabrina Stierwalt

What Is a Fecal Transplant?

What is a fecal transplant and who would want one? It all boils down to your gut microbiota

September 8, 2018 — Everyday Einstein Sabrina Stierwalt

Why Is Hawaii Banning Sunscreen?

Recent research shows that oxybenzone and octinoxate are detrimental to coral growth and increase the rate of coral bleaching

June 30, 2018 — Everyday Einstein Sabrina Stierwalt

What's It Take to Get to Pluto?

Astrobiologist David Grinspoon describes some of the stories that make up his new book on NASA’s epic first mission to Pluto

June 16, 2018 — Everyday Einstein Sabrina Stierwalt

How Do We Find Exoplanets?

Astronomers have found more than 3700 worlds outside of our solar system in the past 25 years. How do they find them?

May 9, 2018 — Everyday Einstein Sabrina Stierwalt

How Do We Measure Time? 5+ Innovative Ways

How do we measure time? How accurate are today’s clocks relative to the first clocks of ancient times? And what is the definition of a second?

March 21, 2018 — Everyday Einstein Sabrina Stierwalt

How Does Sand Get Its Color?

Sand’s color is derived from its mineralogy, or the physical structure of the crystals that populate the sand.

March 7, 2018 — Everyday Einstein Sabrina Stierwalt

The Physics of Figure Skating

Let’s break down some of the crucial elements behind figure skating's moves, like the loop, flip, salchow, axel, and lutz

February 24, 2018 — Everyday Einstein Sabrina Stierwalt

How Fast Can a Marathon Be Run?

Is there an absolute minimum time to run a marathon? Will humans ever break the 2 hour mark? What does it take to set a world record marathon time? 

February 14, 2018 — Everyday Einstein Sabrina Stierwalt