An Astronaut's Guide to Life on Earth Costume Find out how DNA works

Find out how DNA works and what you're made of

and the long-term effects of space on the human body

The challenge: place the tiles so the marbles land in the correct target spaces at the bottom of the board

A charming collectible that brings together science

Versatile Layering Piece: Perfect for all seasons—wear it over your favorite outfit for an effortlessly stylish touch

An Astronaut's Guide to Life on Earth Costume Find out how DNA worksColonel Chris Hadfield has spent decades training as an astronaut and has logged nearly 4000 hours in space. During this time he has broken into a Space Station with a Swiss army knife, disposed of a live snake while piloting a plane, and been temporarily blinded while clinging to the exterior of an orbiting spacecraft. The secret to Col. Hadfield's success and survival is an unconventional philosophy he learned at NASA: prepare for the worst and