Neil Gershenfeld of the Massachusetts Institute of Technology says that synthetic biology, which involves the creation of biological systems intended for specific purposes, can generate scientific advances as well as ethical questions.
A Spirobranchus worm, commonly called the Christmas tree worm, on a coral reef near Eilat, Israel.
Pronghorn antelope along a fence northwest of Casper, Wyo. A study has found that wildlife move far less in regions where humans are present, ultimately threatening the viability of a species.
Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.
Jo-Wilfried Tsonga of France wiped sweat from his face during the Australian Open. Researchers say their new wearable sensor can measure perspiration for conditions like dehydration and fatigue.
“Silicon Valley has been talking about water technology since they started talking about clean tech, but there are no new big ideas,” said Joel Makower, the chairman and executive editor of the GreenBiz Group.
A field technician excavating the remains of an amputated limb at Manassas National Battlefield Park in October 2015. The discovery of two nearly complete sets of soldiers’ remains, 11 partial limbs and other artifacts appeared to date to the Second Battle of Bull Run, which ended Aug. 30, 1862.
Sister Ofelia Morales Francisco, left, and Sister Rosa Cortez in the Convento Maria Inmaculada de La Salud in Mexico. The nuns make a cough syrup, in the bottle at right, from achoques, a type of salamander vanishing from nearby Lake Patzcuaro.
The “Old Blush” rose.
Game warden Keith Knighton, left, with a buck shot by Brodie McDonald during a special hunt to check for chronic wasting disease in deer in Montana last month.
A honeybee with pollen on its legs.
An illustration of Haringtonhippus francisci, an extinct horse species that was found in North America during the last ice age. Rick Hunter, a Utah paleontologist, said the horse, whose skeleton was discovered in a Utah backyard, may have looked similar to this.
An image of Neptune taken by the Voyager spacecraft in August 1989, showing the storm, known as the Great Dark Spot, near the left side of the planet.
The colony of king penguins on the Île aux Cochons, or Pig Island, in 1982, when researchers last counted its population.
Orcas from pod J in Puget Sound just west of Seattle. The number of orcas in the area, listed as endangered since 2005, has dwindled to a 30-year low.
These three Magellanic penguin chicks died of hypothermia after a rainstorm.
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