Stephan Wiederkehr

1,557 Flips | 24 Magazines | 9 Likes | 87 Followers | @StephanWied7pi4 | Keep up with Stephan Wiederkehr on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Stephan Wiederkehr”

Arizona’s mysterious clock of ancient times

Like clockwork, a recently discovered Arizona rock art calendar marks the passing of the seasons.<p>All day the sun had been hiding behind clouds, but Kenneth Zoll wasn’t worried.<p>Standing in front of panels of rock art carved nearly a millennium ago, the researcher pointed to petroglyphs of snakes, …

Archaeology

Kenya: New Cradle of Mankind Found in Nyeri

Francis Kinyua on June 20, 2018 displays a hand axe which was among stone tools he found in Gatarakwa, Nyeri County.<p>A Kenyan archaeologist has …

Anthropology

Changes in the Gulf Stream

Crossing the Gulf Stream is a rite of passage for many East Coast offshore sailors. I’ll never forget my first time. The Stream seems to generate its …

Global Warming

Archaeologists Have Found Something Truly Disturbing in an Ancient Chinese Tomb

Whoa.<p>A long-forgotten species of ape has been found buried in a 2,300-year-old tomb. It's a type of gibbon, which scientists named <i>Junzi …

Habitats

Exclusive: Neanderthal ‘minibrains’ grown in dish

Until now, researchers wanting to understand the Neanderthal brain and how it differed from our own had to study a void. The best insights into the …

Neuroscience

Bose puts crowdfunded 'sleepbuds' on sale for $250

Last year, Bose took to Indiegogo to gauge people's interest on an experimental device: a pair of noise-masking wireless earbuds designed to help you sleep. That experiment was a success, and the "sleepbuds" sold out within six days on the crowdfunding platform, so now the audio giant is making …

Consumer Tech

Laser bursts generate electricity faster than any other method

Take a glass thread a thousand times thinner than a human hair. Use it as a wire between two metals. Hit it with a laser pulse that lasts a millionth …

Nanotech

China Just Handed the World a 111-Million-Ton Trash Problem

Few people consider used plastic to be a valuable global commodity. Yet China has imported 106 million tons of old bags, bottles, wrappers and …

Pollution

Is Saudi Arabia the next big heritage tourism destination?

<b>(CNN) —</b> Leaning out of a helicopter's open door, 500 feet above the ground, David Kennedy is treated to bird's eye views of immense sand dunes and lava fields strewn with giant black domes and boulders. Among these natural wonders are mysterious triangular constructions, a beautifully preserved …

Archaeology

Yes, San Antonio Is Incredible And Here’s Why

Many places I visit are fine. There’s nothing wrong with them, I find some interesting things to see and do and then I leave. I don’t normally think …

San Antonio

'Exceptional' ancient ring collection to be auctioned

<b>A "incredible" collection of ancient rings, collected by a gas engineer then stored away, is to go under the hammer.</b><p>The set of more than 50 rings covers eras from Alexander the Great to Middle Ages via the height of the Roman Empire.<p>The "museum standard" items are believed to have been bought at …

Archaeology

EU votes yes on meme ban, censorship machines and link tax — what now?

The European Parliament Committee on Legal Affairs just voted ‘yes’ on highly controversial parts of the EU’s new Copyright Reform. The controversial articles — 11 and 13 — effectively establish link tax, censorship machines, and ban memes.<p>There was heavy resistance to the contested articles from …

European Parliament

The Roman Empire, explained in 40 maps - Vox

Two thousand years ago, on August 19, 14 AD, Caesar Augustus died. He was Rome’s first emperor, having won a civil war more than 40 years earlier that transformed the dysfunctional Roman Republic into an empire. Under Augustus and his successors, the empire experienced 200 years of relative peace …

Ancient History

10 things you (probably) didn’t know about the Anglo-Saxons

The Anglo-Saxon period lasted from the early fifth century AD to 1066 – after the Romans and before the Normans. But how much do you know about the …

Archaeology

Romania: Parliament approves laws to hamper anti-corruption efforts

Romania is ranked among the most corrupt countries in the European Union. Critics accuse the ruling Social Democrats of approving measures to make …

Europe

Afghanistan's Secret Treasure

Afghanistan's Secret Treasure<p>Volume 61 Number 5, September/October 2008<p>by Zach Zorich<p>Three gold bowls shining in a glass case pull visitors into the …

Archaeology

Chemistry behind green hydrogen battery developed

doi:10.1038/nindia.2018.75 Published online 17 June 2018<p>Researchers at the Indian Institute of Science Education and Research (IISER) in Pune have …

Clean Energy

These 5 Habits Literally Add Years to Your Life, According to a New Harvard Study

Harvard researchers studied the lives of 123,219 men and women over 3 decades, to learn exactly how much extra time good habits can add to your life.<p>They say there's no fountain of youth. But a comprehensive new Harvard University study is the latest report to break down exactly how much extra time …

Holistic Medicine

Built 6,000 Years Before Stonehenge, This Is The Oldest Temple On Earth

"Gobekli changes everything."The post Built 6,000 Years Before Stonehenge, This Is The Oldest Temple On Earth appeared first on All That's …

Archaeology

The World's Ancient Baobab Trees Are Dying, And We Don't Know Why

The exact reason the world's oldest and largest baobabs are dead or dying is a mystery, but the likely culprit is climate change.<p>One of Africa’s most iconic landmarks is the strangely-shaped baobab tree, its large trunk a prominent landmark on the savannah. But scientists have found that many of …

Ecology

Are these the worst cities to live in? Study looks at quality of life across the U.S.

Where Americans live can have a considerable impact on their quality of life. In some U.S. cities, everyday comfort and happiness is much harder to attain than in others.<p>Quality of life is subjective, and difficult to measure. Still, there is a wide range of quantifiable factors that can impact …

Demographics

Paris of the North? Athens of the South? The cities with ideas above their station

Not every destination can be a Venice, Paris or Rome. The next best thing? Add a suffix that describes your global location and hope it takes off. Here we look at some of the most ambitious - and ludicrous - alternatives to the greatest cities in Europe.<p>Venice of the North<p>The list of cities that …

European Travel

Aethelflaed: The warrior queen who broke the glass ceiling

<b>How does a ruler defeat bloodthirsty invaders, secure a kingdom and lay the foundations for England - and then almost get written out of history? Be a woman, that's how. Exactly 1,100 years after her death Aethelflaed, Lady of the Mercians, is emerging from the shadows.</b><p>Born into a tooth-and-nail …

Archaeology

Nonfiction Book Review: Before and After Alexander: The Legend and Legacy of Alexander the Great by Richard A. Billows. Overlook, $32.50 (272) ISBN 978-1-59020-740-6

Before and After Alexander: The Legend and Legacy of Alexander the Great<p>Richard A. Billows. Overlook, $32.50 (272) ISBN 978-1-59020-740-6<p>Columbia …

Ancient History

The top 10 military blunders in history

Throughout history, battles have been lost to bad weather, insufficient weaponry and bad luck. But what about those for which poor judgment and …

World History

China’s Master Plan: A Worldwide Web of Institutions

Beijing is building an interlocking series of security, trade and educational bodies to rival the West.<p>(This is the third part of a series on China's effort to supplant the U.S. as the world's pre-eminent geopolitical power. Read the first two parts here: A Global Military Threat | Exporting an …

China

The 18 most expensive cities to live in the world in 2018

ECA International has released its annual Cost of Living report, revealing the most expensive cities in the world to live in.<p>In order to produce the list, the business management consultancy compared the costs of a basket of day-to-day goods and services commonly purchased by expats in various …

South Korea

Investigating Holocene human population history in North Asia using ancient mitogenomes

Altmetric: 27<p>More detail<p>Article |<p>Open | Published: 12 June 2018<p>Gülşah Merve Kılınç ORCID: orcid.org/0000-0002-2024-3910,<br>• Natalija Kashuba,<br>• Reyhan …

Anthropology

22 Hidden Gems in Los Angeles That Made Me Fall Back in Love With It

When I ask you to close your eyes and imagine Los Angeles, what comes to mind? Palm trees, movie stars, and wide open spaces? That radiant California …

Los Angeles

One unexpected sticking point at the G-7: Plastics pollution in the ocean

There was a quiet detail in a report on this weekend’s disastrous Group of 7 summit in Canada that didn’t receive much notice. It’s known that there was a variety of issues on which President Trump and the U.S. delegation disagreed with its allies in drafting a statement meant as a capstone to the …

Pollution