Magnetism
Latest about magnetism
![tan, tanning, melanin, skin cancer, radiation, UV rays](https://cdn.mos.cms.futurecdn.net/hT5LXXK6C5hdd9yKBjwKyB-320-80.jpg)
What Is Ultraviolet Light?
By Jim Lucas published
Ultraviolet light is a type of electromagnetic radiation. These high-frequency waves can damage living tissue.
![An artistic image of the human brain](https://cdn.mos.cms.futurecdn.net/KB7266AnZamdLgVkcGsFLj-320-80.jpg)
'Hearing Voices' in Schizophrenia May Trace to Specific Brain Region
By Rachael Rettner published
A new study suggests that stimulating a precise spot in patients' brains may ease symptoms of auditory hallucinations, or "hearing voices."
![A massive, X9.3-class solar flare blasted from the sun at 8:02 a.m. EDT (1202 GMT).](https://cdn.mos.cms.futurecdn.net/4NXVhKDFCRGVWzVurhVf9W-320-80.jpg)
Storm Warning: Solar Outburst Could Scramble Earth's Communications
By Stephanie Pappas published
A solar flare and potential coronal mass ejection could black out some communications.
![The Northern Lights light up the sky before sunrise.](https://cdn.mos.cms.futurecdn.net/Hq7h74QEYXJUQnYrBEm5LK-320-80.jpg)
'Explosive Auroras': What Causes These Strobe Light Displays?
By Jesse Emspak published
High-speed video of the northern lights has revealed why the glorious celestial shows sometimes flicker like strobe lights: It's all about the gases.
![3D rendering of an MRI machine.](https://cdn.mos.cms.futurecdn.net/AqVeRE8tXG3EyQHUfXpFR4-320-80.jpg)
What is an MRI (Magnetic Resonance Imaging)?
By Tanya Lewis published
Magnetic resonance imaging (MRI) uses powerful magnets to realign a body's atoms, which creates a magnetic field that a scanner uses to create a detailed image of the body.
![Solar corona](https://cdn.mos.cms.futurecdn.net/E79eEuDxPHnaqqqigZypCd-320-80.jpg)
This Is What the Sun's Outer Atmosphere Will Look Like During the Solar Eclipse
By Samantha Mathewson published
With the total solar eclipse on Aug. 21 only a few weeks away, astronomers have revealed what skywatchers can expect to see as the sun disappears behind the moon.
![A signpost points the way to moral behavior.](https://cdn.mos.cms.futurecdn.net/Ut5fW2URHp3SvCs7LnbTmW-320-80.jpg)
Why We Probably Can't Use Tech to Become More Moral
By Charles Q. Choi published
Could drugs or devices make people more moral?
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