A rendering of 3D model of methane molecule
Chemistry

What Are Hydrocarbon Compounds?

September 19, 2021

The chemistry of carbon is diverse because of two factors. First, every carbon atom needs four additional electrons. And, second, it can satisfy the need for these four electrons by bonding not only to hydrogen but also to itself. […]

Image of child's hand with an adult hand, both having smallpox symptoms
Biology

The Battle to Conquer Smallpox

September 17, 2021

Although smallpox has been nearly eradicated throughout the world, the U.S. has a supply of smallpox vaccines ready in case of a bioterrorist attack. […]

A lab scientist wearing a coverall protective suit holding a test tube labeled VIRUS
Biology

Bioterrorist Attacks: A Brief History

September 16, 2021

Before Americans had a chance to fully grasp the reality of the 9/11 terrorist attacks, merely a week later, deadly envelopes were sent to people around the country with anthrax bacteria inside them. […]

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