Kristina Grifantini

Latest articles by Kristina Grifantini

boston marathon bombings

Boston Lockdown: What It's Like Inside

By Kristina Grifantini published

A first-person account of a grim week followed by a lockdown in Boston.

Human Behavior
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Women's right to vote: Which countries led and which still lag?

By Kristina Grifantini published

Today marks the 90th anniversary of women winning the right to vote in the United States.

Politics
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Women's suffrage anniversary: Which countries led the way?

By Kristina Grifantini published

Today marks the 90th anniversary of women winning the right to vote in the United States.

Politics
Astrophotographer Matt Pollock took this image of the Milky Way on March 3, 2016, from Cherry Plain State Park in Petersburg, New York.

What's at the Center of the Milky Way?

By Kristina Grifantini published

On a dark, clear night, you may see a band of faint light stretching above you, stiller than a cloud and glittering with densely packed stars.

Cosmology
Child with sunscreen

How does sunscreen work?

By Kristina Grifantini published

Sunscreens are usually made up of a mix of chemicals, and no sunscreen can block 100% of UV rays.

Health