About the SA Blog Network

Posts Tagged "astronaut"

Food Matters

Astronaut nutrition: staying healthy for a year in space

NASA astronaut Karen Nyberg, Expedition 36 flight engineer, gets some nutrients aboard the International Space Station. Photo courtesy of NASA.

When NASA astronaut Scott Kelly leaves the earth for his International Space Station mission in 2015, he won’t walk the aisles of a grocery store for a year.  To ensure he and other long-term astronauts stay healthy, NASA must make certain they have the proper food in tow. I caught up with NASA nutritionist Scott [...]

Keep reading »
Life, Unbounded

Watch the First Artificial Gravity Experiment

High above Baja California, the first artificial gravity experiment (Credit: NASA)

Gravity, as the old joke goes, sucks. It drags us down, pulls on our weary limbs, makes our feet tired, makes parts of us droop. But it’s also a critical factor for our long term well-being. Astronauts and cosmonauts circling the Earth over the past 60 years have discovered that zero-g, or microgravity, is really [...]

Keep reading »

Before Manned Spaceflight There Was “Chimpanned” Spaceflight


On January 31, 1961, a brave 3-year-old chimpanzee was strapped into a capsule inside the Mercury Redstone rocket and launched 160 miles above the earth. For 16 minutes, he orbited at a speed of 5857 mph before crashing down into the Atlantic Ocean, a little dehydrated, but otherwise unharmed. This furry astronaut, dubbed HAM (for [...]

Keep reading »

More from Scientific American

Email this Article