News Brief: No hopping for these ancient ‘roos

Science News For Kids - Tue, 2014-10-21 08:00
By hopping, today’s kangaroos can scoot swiftly through the countryside. That was not true for some of their ancient cousins. True giants, those now-extinct kangaroos would have walked on two feet — and relied on their tippy-toes.
Categories: Science & Math News

Sunlight might have put oxygen in Earth’s early air

Science News For Kids - Mon, 2014-10-20 08:00
High-energy bursts of ultraviolet light can break apart carbon dioxide, yielding oxygen gas. The experiment may mimic what happened on Earth billions of years ago.
Categories: Science & Math News

How people have been shaping the Earth

Science News For Kids - Fri, 2014-10-17 11:05
We are the dominant force of change on Earth. Some experts propose naming our current time period the ‘Anthropocene’ to reflect our impact.
Categories: Science & Math News

Coming: The sixth mass extinction?

Science News For Kids - Fri, 2014-10-17 11:05
Species are dying off at such a rapid rate — faster than at any other time in human existence — that many resources on which we depend may disappear.
Categories: Science & Math News

Explainer: Understanding ice ages

Science News For Kids - Fri, 2014-10-17 11:05
Earth slowly wobbles, tilts and stretches (or contracts) as it orbits the sun. These changes may be fairly small and subtle. Still, their cumulative impacts can be huge — sometimes triggering the slow onset of an ice age or an abrupt thaw.
Categories: Science & Math News

Strong body helps the mind

Science News For Kids - Thu, 2014-10-16 11:07
Study finds new link between the body and brain in mice and may help explain how exercise heals.
Categories: Science & Math News

Exercise builds brawn — and brains

Science News For Kids - Wed, 2014-10-15 08:47
One 20-minute session of leg exercises improved memory recall by about 10 percent.
Categories: Science & Math News

News Brief: First cases of Ebola acquired outside Africa

Science News For Kids - Tue, 2014-10-14 13:13
Health workers who had worn extensive protective gear still became infected with Ebola while treating patients in Spain and the United States.
Categories: Science & Math News

Space cloud may hold clue to life’s origins

Science News For Kids - Mon, 2014-10-13 07:30
Scientists probing a cloud of dust and gas some 26,000 light-years away found a chemical with a structure resembling molecules critical for all life on Earth.
Categories: Science & Math News

Space cloud may hold clue to life's origins

Science News For Kids - Mon, 2014-10-13 07:30
Scientists probing a cloud of dust and gas some 26,000 light-years away found a chemical with a structure resembling molecules critical for all life on Earth.
Categories: Science & Math News

Questions for How People Have Been Shaping the Earth

Science News For Kids - Mon, 2014-10-13 07:00
Classroom questions for How people have been shaping the Earth.
Categories: Science & Math News

The distracted teenage brain

Science News For Kids - Fri, 2014-10-10 11:17
Teens often show poor judgment in decision-making. Scientists have long blamed this on the fact that their brains are still developing. A new study offers another explanation: distractions from rewarding behaviors — even after the reward itself has disappeared.
Categories: Science & Math News

Teen wins Nobel for support of educating girls

Science News For Kids - Fri, 2014-10-10 08:00
Malala Yousafzai survived an attempt on her life by extremists who protested her efforts to see that girls be allowed to go to school. Upon recovery, she expanded her outreach to beyond her Pakistani homeland. She has just become the youngest-ever Nobel Prize winner.
Categories: Science & Math News

Models: How computers make predictions

Science News For Kids - Thu, 2014-10-09 13:45
They use numbers to model real-world activities. And new insights in math are streamlining models’ design.
Categories: Science & Math News

Questions for Models: How computers make predictions

Science News For Kids - Thu, 2014-10-09 13:45
Classroom questions for Models: How computers make predictions
Categories: Science & Math News

Nobel goes for creating the ‘nanoscope’

Science News For Kids - Wed, 2014-10-08 18:25
A regular microscope can’t bring into focus the nanoscale molecules from which cells are built. Using lasers and fluorescent molecules, three scientists found a way to view these tiny features. Their reward: the 2014 Nobel Prize in chemistry.
Categories: Science & Math News

Distant world hosts water

Science News For Kids - Wed, 2014-10-08 10:00
One measure of an extraterrestrial world’s potential for supporting life is the presence of water. The Neptune-size HAT-P-11b fits that criterion.
Categories: Science & Math News

Nobel goes for making white LEDs possible

Science News For Kids - Tue, 2014-10-07 15:37
The 2014 Nobel Prize in Physics has been awarded to scientists who discovered how to make blue light-emitting diodes. People really wanted white LEDs. The missing ingredient in making them was a building block: the blue LED.
Categories: Science & Math News

Artificial sweeteners may evict good gut microbes

Science News For Kids - Tue, 2014-10-07 11:18
People use saccharin and other artificial sweeteners to try to stay healthy. A study now suggests such sweeteners might actually cause harm by encouraging the wrong bacteria to grow in our guts.
Categories: Science & Math News

Nobel goes for finding brain’s ‘GPS’

Science News For Kids - Mon, 2014-10-06 16:23
The 2014 Nobel Prize in Physiology or Medicine has been awarded to scientists who discovered how the brain maps our place within our environment.
Categories: Science & Math News
 

NSF logo This material is based upon work supported by the National Science Foundation under Grant No. DUE-0840824. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.