David Pelter

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Quantum Physics May Be Even Spookier Than You Think

A new experiment hints at surprising hidden mechanics of quantum superpositions

Quantum Physics

Belly fat linked to vitamin D deficiency

A new study reveals that individuals with higher levels of belly fat and larger waistlines are more likely to have lower vitamin D levels.<p>Currently, …

Holistic Medicine

A biotech company’s blood test proves too good to be true

In the opening pages of <i>Bad Blood</i>, the chief financial officer for the blood-testing company Theranos meets with his boss, Elizabeth Holmes, a …

Bacterial 'gene swapping' sparks disease outbreaks

A new study by scientists at the University of Liverpool documents, for the first time, how the ability of bacteria to swap genetic material with …

Here Are Nearly 1,200 Coursera Courses That Are Still Completely Free

Courses from 166 universities, including Stanford, Georgia Tech, Yale, Duke, and Michigan, are part of the list.<p>Are Coursera courses still free? At Class Central, we get that question so often that I wrote a guide to answer it. Generally speaking, Coursera courses are free to audit but if you want …

Online Education

The best books about science from the last 15 years that everyone should read

From discussions of human-machine hybrids to lost civilizations in the Amazon and octopus brains, scientists and writers have produced some amazing works of nonfiction in the past 15 years.<p>If you're in the mood to learn something new, as well as be entertained by riveting storylines, look no …

Please stop calling dopamine the ‘pleasure chemical’

It is possible to feel pleasure without dopamine<p>Dopamine is one of the most hyped brain chemicals, supposedly linked to everything from sex to gambling. It’s common to read, as <i>Business Insider</i> claimed last week, that dopamine is “the pleasure chemical” — but that’s not true, and the idea was …

vox-mark

This is not “forbidden knowledge.” It is America’s most ancient justification for bigotry and racial inequality.<p>On Monday morning, I woke up to a tweet from Sam Harris, the bestselling author and popular podcast host, referencing a debate we never quite had over race and IQ.<p>Harris is touting a New …

African-American News

‘Nanobot’ viruses tag and round up bacteria in food and water

Viruses called phages evolved to hunt bacteria. With magnetic nanoparticles and genetic engineering, they become nanobots that work for us.

Biology

The human microbiome: why our microbes could be key to our health

A plethora of conditions, from obesity to anxiety, appear to be linked to the microbes inside us. Nicola Davis explains why the microbiome is such a hot topic of research<p><b>What are microbiomes?</b><p>Both inside and out, our bodies harbour a huge array of micro-organisms. While bacteria are the biggest …

Biology

"Game-changing" synthesized antibiotic successfully treats infections for the first time

Back in 2015, a team of scientists discovered an exciting new antibiotic called teixobactin. Now an international team of researchers has, for the …

Unsane actor says iPhone movie removes barriers for filmmakers

When director Steven Soderbergh set out to make a movie on iPhone, he cast an actor familiar with surprising audiences with a film shot with lo-tech cameras.<p>Astute film nerds will make the connection between Joshua Leonard’s first film with his most recent. Leonard, who plays a stalker in …

IPhone 7

Can We Gene-Edit Herpes Away?

To become a contestant on the reality show "The Bachelor," you must first pass a stringent list of requirements. These include numerous psychological …

Make any headphones wireless with this $20 Bluetooth receiver

Wireless headphones are the way of the future, but some of us are slow to change. Maybe you bought one of those jack-free iPhones, but still have a …

Tech Trends

What causes a cyst in your earlobe?

Cysts and other bumps can appear on almost any area of the body, including the earlobe. Most often, these cysts do not cause pain, are not cancerous, …

The secret to making $115 an hour in the gig economy

10 highest-paying fields — with lots of growth — for gig workers<p>This is one hell of a gig.<p>Millions of workers now participate in the gig economy — …

3 unexpected ways to keep your gut healthy

<i>If you’re not already on the gut-health train, now’s the time to hop aboard—because, says McKel Hill, so much of your overall health depends on it.</i> …

Why the Tiny Weight of Empty Space Is Such a Huge Mystery

The amount of energy infusing empty space seems too small to explain without a multiverse. But physicists have at least one alternative left to …

Physics

Doctors find virus in a pond, use it to destroy antibiotic-resistant bacteria in man's heart

After Yale doctors replaced a major blood vessel in a 76-year-old man's heart, his chest became infected with bacteria.<p>The usual solution would be to …

Trance as a therapy: A hypnosis self-experiment

I used to believe hypnosis was utter nonsense, something that esoteric people with swinging pendulums do. However, a self-experiment taught me how …

5 ways to make new friends when you have social anxiety

Everyone gets nervous sometimes, but what about when your nerves can stop you from socialising altogether?<p>This is known as social anxiety disorder, …

Getting the Inside Dope on Ketamine's Mysterious Ability to Rapidly Relieve Depression

Ketamine has been called the biggest thing to happen to psychiatry in 50 years, due to its uniquely rapid and sustained antidepressant effects. It …

Neuroscience

Vegetarian Protein Is Just As 'Complete' As Meat, Despite What We've Been Taught

We're hanging on to notions from a 1970s diet fad that's a "complete" waste of our time.<p>“If you eat a dish with black beans, you’re not getting complete protein. You have to add another kind of bean to get the same kind of protein you’d get from meat.”<p>This suggestion came from a generally …

Melioidosis kills half the people it infects, but you’ve probably never heard of it

Every morning, Prasart Songsorn used to wake before dawn to head out to the fields before the tropical sun and oppressive humidity made it impossible to work. Prasart, who spent all his 56 years on his family’s small rice farm in north-eastern Thailand, worked barefoot in the warm mud. Boots …

Public Health

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

In an effort to encourage new treatments for opioid addiction, the Food and Drug Administration plans to begin permitting pharmaceutical companies to sell medications that help temper cravings, even if they don’t fully stop addiction.<p>The change is part of a wider effort to expand access to …

How Tryptophan Boosts Your Sleep Quality and Mood

Everyone knows that a good night’s sleep prepares you to face the day.<p>What’s more, several nutrients promote good sleep quality and support your mood.<p>…

These are the best books for learning modern statistics—and they’re all free

Statistics came well before computers. It would be very different if it were the other way around.<p>The stats most people learn in high school or college come from the time when computations were done with pen and paper. “Statistics were constrained by the computational technology available at the …

Machine Learning

A ‘Grueling and Grotesque’ Biohacking Experiment

In 2016, Josiah Zayner, a former synthetic biology research scientist at NASA, checked himself into a hotel room. Over the course of four days, he performed an extremely risky experiment on himself. The goal: “To completely replace all of the bacteria that are contained within my body.”

The keto diet, explained

Is eating a lot of fat really the best way to lose weight?<p>It’s why people are putting grass-fed butter in their coffee, downing ketone drinks, and replacing their cereal and pasta with eggs and avocados.<p>The ketogenic diet has become a Silicon Valley obsession and the diet du jour that supposedly …

Diabetes

Can We Change The Past?

Who has no regrets about things done in the past? Wouldn't it be nice if, somehow, we could go back to tweak a couple of bad decisions?<p>This sounds (and as we will see, <i>is,</i> to a certain extent) like science fiction.<p>The laws of physics prohibit traveling backwards in time for many reasons. If we did …

Quantum Physics