Tech
We summarize the week's scientific breakthroughs every Thursday.
- Earth
Leap second helps us with the reality of time
A leap second will be inserted at the end of the day on June 30.
- Tech
New app creates a searchable network of species worldwide
A free new app compiles millions of records of species worldwide and allows users to add sightings.
- Planetary Science
50 years ago, Mariner 4 sent back first pictures from Mars
On July 14, 1965, Mariner 4 became the first spacecraft to fly by Mars. The probe also sent back the first pictures of another planet taken from space.
- Microbes
Spore-powered engines zoom ahead
Engines that run on the dehydration of bacterial spores can power a tiny car and an LED.
- Tech
Humanoid robot tops other bots in defense agency’s challenge
A humanoid robot named DRC-HUBO won first place in DARPA’s Robotic Challenge, held June 5-6.
- Chemistry
Quantum chemistry may be a shortcut to life-changing compounds
Quantum chemistry could launch a manufacturing revolution, helping to identify materials for improved solar cells, better batteries or more effective medicines.
- Neuroscience
Brain implants let paralyzed man move robotic arm
Implanting tiny silicon chips in the action-planning part of a paralyzed man’s brain let him smoothly control a robotic limb with his thoughts.
- Genetics
How to rewire the eye
The cutting-edge technology called optogenetics may offer a workaround to partially restore vision even after the retina’s light-sensing rods and cones die.
- Math
Computer program rivals top poker players in complex card game
A computer program held its own against the world’s best heads-up no-limit Texas Hold’em poker players.
- Computing
Resistors that remember help circuits learn
Electronic components called memristors have enabled a simple computing circuit to learn to perform a task from experience.
- Psychology
On Facebook, you control the slant of the news you choose
Facebook users shield themselves from opposing political ideas more than the site does.
- Science & Society
Working together doesn’t always work
Working as a team is a great way to gather information, but innovative solutions come best from small groups or individuals, a new study suggests.
