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From the Nanoworld to Planet Mars

From the Nanoworld to Planet Mars

Scientist and educator Dr. Yajaira Sierra-Sastre shares her journey from exploring a world ‘too small to see’ to answering Humanity’s fundamental questions about life in the Universe.

By Yajaira Sierra Sastre, PhD

From the Caribbean to Upstate New York

Third article in a series about life choices and career transitions
May 14

I Can See Atoms!

"It is only with the heart that one can see rightly; what is essential is invisible to the eye". - Antoine de Saint-Exupéry, The Little Prince
May 10
1

Cinco de Mayo and National Astronaut Day

Happy Cinco de Mayo! Today is the anniversary of the victory of the Mexican army over France at the Battle of Puebla on May 5, 1862. Historians believe that if the Mexican troops would not have won this battle, the French would have allied with the Confederacy during the Civil War, which could have possibly changed the course of American histor...
May 5

Postcards from the Past

In a way, postcards are always from the past. Just like pictures, they freeze a moment in time to be enjoyed and remembered in the future. Text messages and emails have made communication around the world effectively instant. Nowadays vacation photos are immediately shared with family and friends. But there was a time when postcards were a tradi...
May 3
2

Global Astronomy Month

This amateur astronomer is changing the world one astrophoto at a time.
Apr 30
3

The Teacher

Second article in a series about life choices and career transitions
Apr 23

Wanderer

First article in a series about life choices and career transitions
Apr 14

My First Cherry Blossom 10-Mile Run

A tale of procrastination, sweat, beautiful trees, unit conversions, and the personal meaning of success.
Apr 10

The Units and Scales of our Universe

Wrong units of measurement are recipes for disaster
Apr 8

Oumuamua

What can a passing object in the sky teach us about life transitions?
Apr 6
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