Science & Society
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Health & MedicineMost students wrong on risks of smoking occasionally
Teens know that heavy smoking can seriously harm health. But most, a new study finds, don’t realize that smoking only now and then also is harmful. Data from a survey highlight teens’ mistaken ideas about the risks of intermittent smoking.
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Science & SocietyA teacher’s guide to mentoring in STEM
Many people in STEM careers credit mentors for their success. But a good mentor is more than just a teacher.
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ClimateWorld leaders call for action on climate change
This week, the presidents of China and the United States pledged to take aggressive action on the release of greenhouse gases to head off dire worldwide climate effects.
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Science & SocietyCheck out the Broadcom MASTERS awards ceremony
Last night saw the award ceremony of the Broadcom MASTERS, an annual science competition for middle school science. The honorees received awards and recounted an unforgettable experience.
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HumansStone Age stencils: Really old art
Scientists thought that cave art started in Europe. New analyses now dash that assessment. Stencils in an Indonesian cave are every bit as old as the better-known drawings in caves in France and Spain.
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PhysicsHow science saved the Eiffel Tower
The Eiffel Tower was an engineering masterpiece. But Parisians initially thought it too ugly to let stand for more than 20 years. So Eiffel made the tower a bastion of science. And that would soon ensure that the structure was too valuable to tear down.
By Ron Cowen -
Science & SocietyTeen wins Nobel for support of educating girls
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.
By Janet Raloff -
AnimalsRare as a rhino
Most species are rare. Some have always been rare. A problem develops when people are responsible for accelerating a species’ rarity to the point that extinction threatens.
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Health & MedicineRecovery help from the blogosphere
And some who have been there now are sharing tips on what it takes to become a successful survivor.
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Health & MedicineThe media’s dangerous influence on body image
A study found how powerful TV and ad messages can be in distorting the attitudes about body image among young girls in Fiji.
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ArchaeologyMummies existed before Egypt’s pyramids
Materials from an ancient Egyptian cemetery suggest people were preserving their dead long before the pyramids and pharaohs.
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Health & MedicineEarly school starts can turn teens into ‘zombies’
Teens face serious consequences when they don’t get enough sleep. Yet most school start times don’t allow a full night’s rest, doctors say. The result: Too many students become ‘walking zombies’.