rodney c

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Build your own Echo Show on the cheap

When Amazon first introduced the Echo Show ($230 at Amazon.com) just over a year ago, it seemed like the logical progression of the product line: An Alexa-powered smart speaker, but with a screen.<p>If you liked the idea of that but not the $230 price tag (which has held steady, save for occasional …

Gear & Gadgets

Astronomers found new evidence that a giant ghost planet may lurk in our solar system

NASA/ JPL<p><b>Scientists found surprising evidence that there may be a ninth planet in our solar system.</b>• <b><br>In a new paper, scientists announced the discovery</b> …

Nvidia just unveiled a terrifying AI supercomputer

Nvidia has unveiled several updates to its deep-learning computing platform, including an absurdly powerful GPU and supercomputer.<p>At this year's GPU …

Is vitamin D really a cure-all – and how should we get our fix?

Vitamin D is having quite a moment. In the past few months, evidence has been growing that the “sunshine vitamin” not only has an important role in bone and muscle health, but might also help prevent a range of cancers, reduce the chance of developing rheumatoid arthritis, protect against multiple …

Vitamin D

Here's how the 'unlimited' plans from Verizon, AT&T, Sprint, and T-Mobile compare

With the availability of unlocked devices, it's easier than ever to switch carriers and get the best "unlimited" data plan that works for you.<p>There are a few things to consider when choosing a carrier and its unlimited data plan, like how carriers interpret the meaning of "unlimited." For most of …

Archaeologists found thousands of hidden structures in the Guatemalan jungle — and it could re-write human history

Using state-of-the-art laser technology, archaeologists uncovered over 60,000 previously unknown Maya structures deep in the Guatemalan jungle, including foundations for houses, military fortifications, and elevated causeways.<p>Archaeologists could barely contain their excitement about the …

Archaeology

Breast cancer: Protein that drives metastasis uncovered

New research published in the journal <i>Oncogene</i> uncovers a protein that helps breast cancer to spread. The findings may lead to new therapies for …

When To Head Outside To Catch The Geminids Meteor Shower This Week

If you haven't already, it's definitely time to pull out your pens and mark your calendars. We've sen a few other spectacular space shows this year …

Two super-Earths around star K2-18

New research using data collected by the European Southern Observatory (ESO) has revealed that a little-known exoplanet called K2-18b could well be a …

Can Police Track You Through Your Cellphone Without A Warrant?

The U.S. Supreme Court confronts the digital age again on Wednesday when it hears oral arguments in a case that promises to have major repercussions for law enforcement and personal privacy.<p>At issue is whether police have to get a search warrant in order to obtain cellphone location information …

Longitude

Lines of Longitude Are Great Circles East and West of the Prime Meridian<p>Longitude is the angular distance of any point on Earth measured east or west …

North Pole

11 ways to make Alexa smarter

Thanks to Amazon's dedication to its assistant platform, Alexa, its line of smart speakers has gotten much smarter over the last three years. You can now buy just about anything from Amazon, call or message your family and change the color of your lights, all without reaching for your phone or …

Mysterious signal from deep space goes hyperactive

The unexplained signals from the other side of the universe known as fast radio bursts are a rarely observed phenomenon and only one of them has been picked up more than once. Now scientists engaged in the search for extraterrestrial intelligence say that lone repeating fast radio burst (FRB) is …

Earth - The secret of how diamonds are made

<i>Join over six million BBC Earth fans by liking us on Facebook, or follow us on Twitter and Instagram.</i><p><i>If you liked this story, sign up for the weekly bbc.com features newsletter called "If You Only Read 5 Things This Week". A handpicked selection of stories from BBC Future, Earth, Culture, Capital</i> …

Diamonds

Newly Named Titanosaur Was the Largest Land Animal Our Planet Has Ever Seen

Four years after six specimens were discovered in Argentina, scientists have finally given a name to what is now considered the largest animal to …

Google can tell which apps are asking for too much of your private information

Google’s latest machine-learning algorithm can help spot intrusive apps that demand access to user data that they don’t even need.<p>As Google points out, most Android apps are there to entertain and assist us, and we grant them access to the data that they need: for instance, a camera app needs …

Something big is warping the outer solar system

The plane of our solar system is warped in the outer reaches of the Kuiper Belt, suggesting the presence of an unknown Mars-to-Earth-mass planetary …

This Is The First Detailed Footage of DNA Replication, And It Wasn't What We Expected

"It undermines a great deal of what's in the textbooks."<p>Here's proof of how far we've come in science - in June 2017, researchers recorded up-close …

Our sun may have an evil twin called 'Nemesis' that killed off the dinosaurs

A new model on how stars are formed has added weight to the hypothesis that most — if not all — stars are born in a litter with at least one sibling.<p>Our own star at the center of the solar system is probably no exception, and some astronomers suspect that the sun's estranged twin might be the evil …

UC Berkeley

How to create named timers with Alexa

Of all the things Alexa speakers are capable of, some of its most important uses are the simple things, like alarms and timers. These features have been available since day one and, for the most part, have remained unchanged. That is, until earlier in June.<p>At long last, Amazon added reminders. And …

Could cold spot in the sky be a bruise from a collision with a parallel universe?

Scientists have long tried to explain the origin of a mysterious, large and anomalously cold region of the sky. In 2015, they came close to figuring …

Black hole event horizons are real, new evidence suggests

Astronomers have shown that matter likely disappears after entering a black hole, refuting an alternate theory that matter is destroyed by colliding …

New Evidence Reveals Black Hole Event Horizons Are All Too Real

General relativity passes another big test.<p>Scientists have found new evidence to support the idea that matter vanishes completely when it falls into …

New potentially habitable 'super-Earth' orbiting star 21 light years away has just been spotted

The newly discovered planetary body is the lightest exoplanet found orbiting an M-dwarf star.<p>Astronomers have found a new "super-Earth" circling an …

Here's What Happens After You Die

From dust to dust.<p>"It might take a little bit of force to break this up," says mortician Holly Williams, lifting John's arm and gently bending it at …

Watch This Cool Explanation of How Telescopes Work

Here's the science and mechanics behind how telescopes produce their incredible images.<p>For thousands of years, humans observed the stars with nothing but our own eyes. But eyes can only get us so far, and to see all the way to the ends of the universe we needed to invent some tools.<p>The tools we use …

Scientists Are "Tantalisingly Close" to Producing a Limitless Blood Supply From Stem Cells

Decades in the making.<p>Two papers published this week have revealed that scientists are "tantalisingly close" to being able to produce large …

Understanding the Speed of Light, How Much do We Know?

You might not think there’s much to know about the speed of light, but you’d be wrong. The actual speed of light in a vacuum is 299,792 kilometers …

NASA Scientists Uncover Primitive Atmosphere of ‘Warm Neptune’

A new study has revealed that the distant planet HAT-P-26b has a somewhat primitive atmosphere that’s made up mostly of helium and hydrogen. …