Stories by Everyday Einstein Sabrina Stierwalt

How Old Is the Universe?

Everyday Einstein explains how we determine the age of our universe from ancient stars and relic radiation left over from the big bang

What Was the Christmas Star?

Was it a comet? A supernova? A planet? Or some otherwordly phenomenon? Everyday Einstein examines the possibilities.

When Is It Safe to Eat Moldy Food?

When is it still okay to eat moldy food? Are any molds edible? How important is it to follow those "sell by" dates printed on my egg carton?

How Much Does My Dog Understand?

Many of us have been caught talking to our dogs, but how much of what we say to them do they actually understand?

The Surprising Scientific Reason behind Physical Attraction

Is it your similarities that attract you to your partner, or is it your differences? Science says our sense of smell may be important in sniffing out mates with immune systems opposite to our own...

3 Ways Science Is Vital to the United States Department of Agriculture

What does the Department of Agriculture do when it comes to science?

How Did Scientists Edit the Genes of Human Embryos?

Scientists have successfully edited the genes of human embryos. What does this mean for the future of genetic engineering?

How Do We Encourage More Women in STEM?

Everyday Einstein talks to Rep. Lois Frankel about women in STEM

Will the Thawing of Arctic Ice Release Diseases?

Will diseases frozen in Arctic permafrost be released and possibly reanimated by the thawing caused by global warming?

How Can You Prepare for the August Solar Eclipse?

In less than a week, the Moon will pass in front of the Sun in the middle of the day blocking between 20 to 100% of the Sun’s light across the continental United States as it does...

8 Ways Climate Change Puts Your Safety at Risk

Worried about climate change? Or just plain confused? Here's 8 concrete ways climate change puts your safety at risk

How Dangerous Is Asbestos?

This year the EPA is set to review restrictions on 10 high priority chemicals as part of the Toxic Substance Control Act, including asbestos. So why is asbestos dangerous? Is the US likely to change its stance on the minerals?...

When Does Your Intelligence Peak?

Are we really at our smartest in our 20s? What about the wisdom and experience that come with age? At what age do we strike the right balance between cognitive ability and expertise?

How Do I Know if My Tap Water Is Safe?

Everyday Einstein explains what contaminates our water, how it gets there and what we can do to test it

How to Support Renewable Energy (and Why You Really Should)

How can you support renewable energy? Plus, why you should

What Does the Food and Drug Administration Do?

What Does the Environmental Protection Agency Do?

What exactly does the EPA, the Environmental Protection Agency, do?

5 Immigrants and Refugees Who Changed U.S. Science

The U.S. has a long history of providing safe haven for scientists and has welcomed immigrants who wish to contribute to the U.S. commitment to the pursuit of scientific truth

Why Is the Ozone Hole Shrinking?

What caused the hole in the ozone layer? And how has science helped us begin to shrink the hole?

What Are Fast Radio Bursts?

What are fast radio bursts? Why are astronomers so excited about them?