Catalin Stefan

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Is Football Bad for Your Brain?

IRA FLATOW: This is Science Friday. I’m Ira Flatow.<p>When it comes to playing football at any level, from high school and college to the NFL, you’re …

What Are The Least Essential Organs In The Human Body?

Asking for a friend.<p>There are two schools of thought when it comes to ranking organs in terms of their utility or lack thereof. According to one theory, the least essential parts are those that come in pairs. Giving up an eye or ear wouldn't be too bad, the thinking goes, so long as you keep the …

Scientists are finding more genes linked to IQ. This doesn’t mean we can predict intelligence.

Researchers using huge data sets to understand genetics and behavior worry their findings will be misinterpreted.<p>Last month, researchers announced some astonishing findings in <i>Nature Genetics</i><i>:</i> They’d found 40 genes that play a role in shaping human intelligence, bringing the total number of known …

Genetics

Cannabinoids and chemotherapy in combination kill cancer cells

A new study confirms that cannabinoids, which are a class of active chemicals in cannabis, can successfully kill leukemia cells. They also find that …

A New Test Could Detect Cancer Years Before Symptoms Show

Simple and Non-Invasive<p>Cancer research is one of the busiest fields in medical technology, and understandably so, as cancer remains one of the …

2017 May 21 - In the Center of the Lagoon Nebula

<b>In the Center of the Lagoon Nebula</b> <b><br>Image Credit:</b> Hubble, A. Caulet (ST-ECF, ESA), NASA<p><b>Explanation:</b> The center of the Lagoon Nebula is a whirlwind of …

Cosmology

The Star That Probably Doesn’t Have an Alien Megastructure (But Maybe it Does) is Dimming Again

In September of 2015, scientists announced that the star known as KIC 8462852 (aka. “Tabby’s Star” or “Boyajian’s Star”) was experiencing a strange …

Universe

Beyond Pluto: Nasa's next New Horizon target is its biggest mystery yet

After giving the world an unprecedented close-up of Pluto, Nasa’s New Horizons mission is hurtling towards an altogether more unknown target: …

Solar System

After four years, it took a geneticist a few hours to unravel a boy’s puzzling illness

From the moment the boy was born on a muggy Texas afternoon in May 2012, his parents, doctors, and nurses knew something wasn’t quite right. From the size of his head to the way he held his body, he wasn’t normal – but it wasn’t clear exactly why.<p>The parents noticed how tightly their baby clenched …