Alexander Kaas Leth

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Why Does Time Exist?

<i>Part 5 of the</i> TED Radio Hour <i>episode</i> Shifting Time<p><b>About Sean Carroll's TED Talk</b><p>Cosmologist Sean Carroll tackles a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.<p><b>About Sean Carroll</b><p>Sean …

Physics

Why We Speak

An evolutionary biologist argues that humans started talking because they needed to negotiate.<p>Sometime around 120,000 years ago in the desert near Oued Djebbana, in what is modern-day northern Algeria, a human acquired some small seashells. The shells were from a species known as <i>Nassarius</i> …

Anthropology

First Impressions of Blizzard's 'Heroes of the Storm,' Six Months Late

I’ve had a key for Blizzard’s Heroes of the Storm for the better part of a year now, but I didn’t install the game until earlier this week for reasons I find hard to explain.<p>After a solid few years of playing League of Legends pretty regularly, something like MOBA-fatigue had set in. I was …

Weather

Scientists defy gravity with 'perpetual' water pump

Scientists have figured out how to pump water upwards in a thick tube using a combination of surface tension and water-repellent materials. Before you get your hopes up, it's definitely no perpetual-motion machine -- but the discovery from Beihang University researchers in China could bring other …

New map confirms 4 Milky Way arms

Although we can’t see it from the outside, astronomers know our galaxy has an overall spiral structure. For years, they’ve been trying to pin down …

Snowden may have some clarifying to do after bombshell reports that Russia and China accessed NSA files

"Western intelligence agencies say they have been forced into the rescue operations after Moscow gained access to more than [1 million] classified files," the London paper, citing senior UK officials, reports.<p>A senior UK government source told the BBC that China and Russia "have information" that …

Surveillance

Apple reportedly scrapped a Sonos-like Beats speaker

Shortly after it acquired Beats, Apple spiked one of Dre and Co.'s pet projects, according to a report from <i>Variety</i>. The product was supposedly a WiFi-connected speaker that could directly play internet subscription music, similar to offerings from Sonos or Google's Cast. Beats wanted to make a …

Asteroid Day tries to save life as we know it

Scientists and astronauts launch appeal for infra-red telescope to detect objects that could bring catastrophe to Earth<p>It would be the end of the world as we know it. A relatively small lump of rock – a small asteroid, perhaps only a few hundred metres across – plunging to Earth would devastate a …