Henrietta Lacks portrait

Henrietta Lacks, Immortalized

Henrietta Lacks's "immortal" cell line, called "HeLa," is used in everything from cancer treatments to vaccines. A new portrait memorializes her.
Mechanical Turk

Amazon’s Mechanical Turk has Reinvented Research

Online services like Amazon's "Mechanical Turk" have ushered in a golden age in survey research. But is it ethical for researchers to use them?
3d printing biological

3D Printing Body Parts

3D printing has evolved far beyond printing out a simple item using plastic. For example, scientists Jody Connell and colleagues described an innovative use of the technology to create three-dimensional bacteria cultures.
Axolotl

The Race to Save the Axolotl

When an axolotl loses a limb, it regrows, and nary a scar remains. But this incredible creature is on the brink of extinction.
Wild Child earth day

Re-Wild Your Child!

On Earth Day, one mom argues for “green time” over “screen time.”
Molten lava erupts from Eyjafjallajokull, Fimmvorduhals, Iceland

Volcanoes, Climate Change, and The Birth of Christianity

The massive, deadly eruption of the Icelandic volcano Eldgjá in 10th century brought climate change and Christianity to the island colony.
NSF early star rendering

The Earliest Stars

Astronomers who noticed a slight blip in space's background radiation got an insight not just into the early stars but into the age and nature of the early universe.
Joshua Pearce positioning a solar panel

Converting Tobacco Fields into Solar Farms Can Save Half a Million Lives a Year

The cost of generating solar power has dropped so dramatically, it is now economically advantageous for tobacco farmers to replace tobacco with solar farms in many places.
Facebook on smartphone

Why Facebook Can Be Good For Your Health

Is Facebook bad for your mental health? Researchers have been studying the profound impact social bonds can have on health since the 1970s.
NOAA researcher prepares to release an ozone sonde

Do We Still Need to Worry About the Hole in the Ozone Layer?

The world tends to forget about the annual ozone hole that appears over Antarctica, though we're facing huge and complex environmental concerns.