krypton-85

Directory

References

Discover

Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro

Why Is Christmas in December?

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

The tomb of Saint Nicholas in the crypt of the Basilica di San Nicola, Bari, Apulia, Italy

Do the Relics of Saint Nicholas Really Emit a Holy Substance?

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Image of Antenna galaxy

The Fermi Paradox: Where Are All the Aliens?

bat flying

Are Bats Really Blind?

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

krypton-85

isotope

Learn about this topic in these articles:

properties of krypton

In krypton: Properties of the element
…contains only one radioactive isotope, krypton-85, which has a half-life of 10.7 years, because all the other radioactive isotopes have half-lives of 3 hours or less.
Read More