All Stories
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Planetary ScienceOld 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 -
Quantum PhysicsAtomic clock sets world records for precision, stability
The strontium atomic clock is about 50 percent more precise than the previous record holder made of a single charged aluminum atom and rivals the ytterbium atomic clock for the title of most stable.
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PhysicsLaser builds mirror by pushing beads together
The light technique may one day be used to build giant telescopes in space.
By Andrew Grant -
AnimalsEight ways that animals survive the winter
Migrating to a warmer place is just the start when it comes to finding ways to stay toasty as temperatures drop.
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Planetary ScienceDwarf planet Ceres gives off gassy water
Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.
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CosmologyNew supernova spotted in nearby galaxy
The galaxy M82 has given off a brilliant flash, which astronomers have confirmed as a type 1a supernova.
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Science & SocietyForty 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 -
AnimalsSloths, 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 -
Climate2013 among top 10 warmest years on record
Global temperatures have now been above average for 37 consecutive years.
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ArchaeologyStone 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 -
Quantum PhysicsGell-Mann, Hartle spin a quantum narrative about reality
The “consistent histories” approach to quantum physics removes any role for people in creating “quasiclassical” reality.
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LifePigment pas de deux puts stripes on zebrafish
Interactions between color-producing cells generate patterns on fish fins.