anthony sierra

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A new study has confirmed the science behind an ancient form of birth control

That any of us exist at all is a biological miracle. Fertilization is a finicky process that requires sperm to be in tip-top shape as they navigate their way through the female reproductive tract in a specific set of chemical conditions. If anything is off, sperm don’t make it to the egg, which is …

Biology

A great tree 'migration' is underway

And an invisible soil community is helping making the trip safer.<p>Last summer, the popular podcast series RadioLab aired an episode that caused …

It took a century to create the weekend—and only a decade to undo it

We made up the weekend the same way we made up the week. The earth actually does rotate around the sun once a year, taking about 365.25 days. The sun truly rises and sets over twenty-four hours. But the week is man-made, arbitrary, a substance not found in nature. That seven-day cycle in which we …

North Africa

Here’s What We’d Need to Transform Wormholes Into Intergalactic Shortcuts

by Karla Lant May 3, 2017 Off World 6674<p>The Highly Unlikely Wormhole<p>Everyone likes a shortcut and a quick trip somewhere cool, which means that …

Wormholes

Researchers Unearthed a New Copy of the Declaration of Independence

Someone call Nicolas Cage.<p>Researchers have unearthed a previously unknown piece of American lore: a parchment copy of the Declaration of Independence, the <i>New York Times</i> reported.<p>According to two Harvard scholars, the newly-discovered document "really shifts our understanding in how the nationalist …

The Failed Experiment That Changed The World

In science, we don’t simply perform experiments willy-nilly. We don’t put things together at random and ask, “what happens if I do this?” We examine the phenomena that exist, the predictions our theories make, and look for ways to test them in ever-greater detail. Sometimes, they give extraordinary …

A warp in space-time just gave us four views of one exploding star

Astronomers catch a galaxy magnifying and splitting the light from a supernova<p>Although the night sky often seems so peaceful and still, a closer look reveals constant movement and change. The Intermediate Palomar Transient Factory (iPTF) in California looks for ephemeral phenomena in the heavens, …

Black Hole Imaged For First Time By Event Horizon Telescope

For decades, scientists have held that Supermassive Black Holes (SMBHs) reside at the center of larger galaxies. These reality-bending points in …

The most important fossil you've never heard of

<b>It's not a household name, but an ancient creature found in the Scottish borders fills a crucial period in the evolutionary record. It sheds light on how four-limbed creatures became established on land.</b><p>An ancient animal found in rocks from the Scottish borders is thought to be the earliest known …

Astronomers close in on first direct view of a black hole

If Avery Broderick's wishes come true, the next 10 days will bring something new to humanity's view of the universe. For the first time, the University of Waterloo physicist says, there could be "visceral, direct evidence that there are monsters in the night."<p>The monsters Dr. Broderick has in mind …

NASA’s Cassini spacecraft is about to attempt something truly insane

NASA’s Cassini spacecraft has been hanging out in space for two decades, with well over a decade of that time spent exploring the space around …

Genetics 2.0: Scientists Have Officially Created a New Kind of Child

When Three People Make a Baby<p>The long-held belief that we get half our genes from our father and the other half from our mother may not be as …

Genetics

Bad News, Humans: TRAPPIST-1 Is Not The Alien Paradise We Were Hoping For

(╯°□°)╯︵ ┻━┻<p>Our newly discovered 'sister solar system' - a seven-planet conga line orbiting an ultra-cool dwarf star called TRAPPIST-1 - has been …

Universe

Scientists Think They've Pinpointed The Group of Brain Cells That Respond to Meditation

A physical link between deep breathing and a calm mind.<p>For centuries, people have slowed their breathing to calm their minds. For some of us, this …

Scientists Discover the Genes Responsible for Cannabis Flavor

You probably know the smell — sweet, pungent, perhaps even a little skunky. Discerning cannabis connoisseurs prize the unique flavors and aromas of …

Cannabis

A Strange Explosion in a Galaxy Billions of Light-Years Away Has Scientists Stumped

Mystery Explosion in Space<p>For a few minutes in October 2014, a mysterious explosion occurred in a galaxy about 10.7 billion light-years away from …

Search for elusive Planet 9 gets a crowdsourcing boost

Both professional and amateur astronomers are looking to the edge of our solar system as part of an intensifying search for a hidden ninth planet. And this week, citizen science platform Zooniverse teamed up with the BBC to crowdsource the search.<p>In just three days, thousands of volunteers …

Universe

Take 1 Look at This INSANE Photo of the Moon, and You'll See Why It's Going Viral

Every time we get a different view of space, we're simply left in awe of its mesmerizing natural beauty. One photo of the moon in particular is no exception to that, as it has just started sweeping the internet and taking our breath away in the process.<p>The image features a view of an almost …

100-year-old frost maps show how climate change has shifted the growing season in America

Published in a 1936 Atlas of American Agriculture, put together by the United States Department of Agriculture, these 1916 maps of the average dates of first killing frosts in fall and last killing frosts in spring were initially intended to help farmers plan their planting schedules. Now, the maps …

Elon Musk’s Billion-Dollar Crusade to Stop the A.I. Apocalypse

Elon Musk is famous for his futuristic gambles, but Silicon Valley’s latest rush to embrace artificial intelligence scares him. And he thinks you should be frightened too. Inside his efforts to influence the rapidly advancing field and its proponents, and to save humanity from machine-learning …

5 easy yoga poses that can seriously relieve anxiety

According to the The Anxiety and Depression Association of America (ADAA) about 40 million U.S. adults suffer from anxiety. It’s the leading mental …

Photon Rockets Might Make Mars A Three Minute Trip

Planck photon rocket drives — which in theory could hit velocities equal to 99.999 percent the speed of light — might eventually offer propulsion engineers a way to drastically reduce interstellar travel times without trashing the laws of physics as we currently understand them. A hypothetical …

Nasa astronaut Alan Bean: Aliens exist, but they haven't visited Earth yet

Bean says that if an advanced alien civilisation had been to Earth they would have made contact.<p>Former Nasa astronaut Alan Bean has said he does not …

Stephen Hawking's strange law of entropy is making atoms on Earth act like black holes

A bizarre discovery has revealed that cold helium atoms in lab conditions on Earth abide by the same law of entropy that governs the behaviour of …

LeBron James Got This Crucial Idea About Athletic Training Wrong

On Wednesday night, LeBron James and the Cleveland Cavaliers suffered a frustrating loss to the Denver Nuggets. After the defending NBA champions …

Lebron James

AIRS

Private search engines have seen huge growth over the past few years. Until recently, it was unthinkable that anyone could compete with Google in the …

The Sun Is Slowly Expanding. How Can We Stop It From Killing Us All?

The Earth’s future seems to always be at stake, whether it’s climate change, country politics, or even the expansion of our sun. While the other …

Universe

NASA's Curiosity Rover Has Only Moved 10 Miles In Four Years, Here's Why

Slow and steady wins the race 🐢<p>NASA’s Curiosity rover has been exploring Mars for over four years now, which when you think about it is a truly …

Northern Lights

NASA observatory captures a rare stretch of our sun without spots

Like a giant egg yolk in the sky<p>Humans foolish enough to gaze directly at the sun will likely perceive a uniformly-colored orb. But this miasma of incandescent plasma isn't actually all that pristine: the star's surface is usually peppered with dark spots created by magnetic activity.<p>Lines of the …

A New Blast May Have Forged Cosmic Gold

For decades, researchers believed that violent supernovas forged gold and other heavy elements. But many now argue for a different cosmic …