Uncategorized
- Planetary Science
Old rover finds new evidence of water on Mars
Opportunity’s analysis of rocks at Endeavour crater reveals chemistry that could have supported life.
By Meghan Rosen - Physics
Laser builds mirror by pushing beads together
The light technique may one day be used to build giant telescopes in space.
By Andrew Grant - Science & Society
Forty finalists selected in 2014 Intel Science Talent Search
The 40 young scientists will visit Washington, D.C., March 6–12 to tour the White House and other national landmarks, present their research to judges and the public in a poster session at the headquarters of the National Geographic Society and attend a black-tie awards gala at the National Building Museum.
By Sid Perkins - Animals
Sloths, moths, algae may live in three-way benefit pact
Insects and green slime may justify the slow mammal’s risky descent from trees.
By Susan Milius - Archaeology
Stone Age fishing spear found on Southeast Asian island
Notched piece of bone found near Indonesia illustrates surprisingly complex tool making 35,000 years ago.
By Bruce Bower - Life
Pigment pas de deux puts stripes on zebrafish
Interactions between color-producing cells generate patterns on fish fins.
- Paleontology
Hunting fossils in England
On Monmouth Beach, just west of the center of Lyme Regis, amateur and professional collectors have been making discoveries for more than two centuries.
- Health & Medicine
Vaccine vindication
At least 103 million cases of childhood disease have been prevented by vaccines since 1924.
- Cosmology
Filament of cosmic web set aglow
Astronomers say they have glimpsed a brightly lit strand of the cosmic web, the universe’s underlying structure
- Animals
Sperm on a stick for springtails
Many males of the tiny soil organisms sustain their species by leaving drops of sperm glistening here and there in the landscape in case a female chooses to pick one up.
By Susan Milius - Neuroscience
Thinking hard weighs heavy on the brain
A balance measures the tiny changes in force due to blood flow behind a person's thoughts.
- Physics
Transfixing tetrahedrons
Dervishes are Sufi Muslims who represent the revolving heavens with their spinning dance.