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Posts Tagged "cell phone"

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Meet the Science in Action Finalists

Who will win the first $50,000 Science in Action prize, sponsored by Scientific American? This award, offered as part of the 2012 Google Science Fair, will recognize a student project that addresses a social, environmental, ethical, health or welfare issue to make a practical difference to the lives of a group or community, and that [...]

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Observations

How Your Smartphone Messes with Your Brain—and Your Sleep

Light from those screens triggers a chemical reaction that makes you think it is morning

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Observations

Why It’s Better to Text Than Call in a Mass Emergency

Man with cell phone

Today at BoingBoing, Maggie Koerth-Baker has a fascinating Q&A with communications engineer and entrepreneur Brough Turner about how mobile-phone networks respond to sudden spikes in call volume, as occurred April 15 in the aftermath of the Boston Marathon bombings. Mobile phones are everywhere, but beyond spotting the odd cell tower here and there, few of [...]

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Observations

Cell Phone Data Could Help Clip Malaria Spread

cell phone location data travel kenya malaria

Your cell phone location information can be used to help you find restaurants or help companies serve you targeted ads. What if all of this data could also play a role in studying and fighting deadly infectious diseases, such as malaria? An international team of researchers has done just that—for an entire country. People can [...]

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Observations

Can Personal Technology Stop the Obesity Epidemic?

mobile health cell technology fight obesity

SAN ANTONIO, Texas—So much of our information from—and interaction with—the world is now mediated by computers, cell phones and tablets that health experts have been practically running themselves ragged trying to find ways to use these conduits to help people make healthier choices. Great success stories have come out of parts of the developing world, [...]

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Observations

Verizon and AT&T Accused of Being Threats to Democracy

AUSTIN, Texas—Just two companies—Verizon Wireless and AT&T—control 60 percent of the U.S. wireless market. Four companies control 90 percent. A thriving marketplace this is not. And while the lack of competition partly explains why cell phone service in the U.S. is slower, less reliable and more expensive than in other developed countries, a perhaps more [...]

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Observations

Cell Phone Cameras Capture Microscopic Images to Diagnose Malaria and other Diseases

microscope

Smart phone apps can help you check your vision, keep tabs on your blood-glucose levels and track your blood pressure. Earlier this year the U.S. Food and Drug Administration even approved an app that allows doctors to view scans on an iPhone or iPad to help them make diagnoses on the go. But fancy apps [...]

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Observations

Radiation from Cell Phones Flagged as “Possibly”– Not Probably–Carcinogenic

cell phones possible carcinogen who group

The radiation emitted by mobile phones has been classified as "possibly carcinogenic to humans" by a World Health Organization (WHO) scientific working group. The May 31 announcement, however, doesn’t imply that cell phones cause cancer. It suggests that there are still enough unknowns not to rule out long-term health effects of the devices, which are [...]

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Observations

Cell phone emissions change brain metabolism

man on cell phone, brain activity metabolism change

Cell phones have not been convincingly linked to brain cancer, but that doesn’t mean that their associated radiation has no effect on our bodies. A new study shows that these pervasive devices can alter the brain’s glucose metabolism, a marker of neuronal activity. The findings will be published in the February 23 issue of JAMA, [...]

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Streams of Consciousness

Multitask at Your Own Risk

unicycle_Elsie esq

        // Editor’s note: Brain Basics from Scientific American Mind is a series of short video primers on the brain and how we feel, think and act. Below is a synopsis of the eighth video in the series written by a guest on this blog, Roni Jacobson, a science journalist based in [...]

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