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Deutschland Symbolbild Reparaturarbeiten Brücken | Rader Hochbrücke der Autobahn A7 (picture-alliance/dpa/G. Wendt)

This is how engineers test concrete structures for strength

Not all damage to a load-bearing structure is immediately apparent. So how do civil engineers find out that a bridge or a large hall is no longer safe? Many clues form a picture.  

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05:52 mins.

Genoa bridge collapse: Prof. Mohammad Mehdi Kashani speaks to DW  

Rana Plaza disaster in Bangladesh (picture-alliance/dpa/A. Abdullah)

The deadliest bridge and building collapses

Bridges and buildings can be architectural marvels, but also lead to deadly disasters. These dilapidated or botched constructions turned out to be fatal.  

An execution chamber at a state prison in Nevada

Lethal opioid

Nebraska executes first US inmate using fentanyl

Nebraska had abolished the use of capital punishment in 2015 but reinstated it through a referendum a year later. A German company attempted to stay the execution, saying Nebraska obtained the lethal drugs improperly.  

Afrikanischer Elefant lange Stoßzähne (picture alliance/dpa/S. Meyers)

The special 'zombie gene' that protects elephants from cancer

Elephants die of cancer much less often than humans of the same age. The reason for this is that they have revived a special, usually sleeping, pseudogene that kills off damaged cells.  

NASA rocket (Getty Images/NASA/B. Ingalls)

Opinion

US Space Force merely symbolic

US President Donald Trump's plan for a Space Force will not change the way we explore beyond our planet. The development of civilian space travel has always been linked to the military, says DW’s Fabian Schmidt.  

Ausschlaf-Flashmob in Jekaterinburg (picture-alliance/dpa)

DW's Health News: weekend sleep-ins could prolong your life

Did you know a lie-in could do you wonders? Or that there's science behind your 'hanger'? And that the type of underwear men choose could affect their sperm? DW brings you this week's health news, all in one handy guide!  

Interview

Left-handed, left-footed, left-kissing?

Linkshänder (Symbolbild) (Colourbox)

Handedness is not the only asymmetry of our bodies. Whether hugging, kissing or listening, we usually prefer one side over the other. And so do animals.  

NASA launches historic Parker Solar Probe to the sun

NASA Parker Solar Probe lifts off (Official Stream of NASA TV)

NASA's Parker Solar Probe has blasted off from Cape Canaveral, Florida, embarking on a seven-year mission to examine the sun's atmosphere. A last-minute glitch on Saturday postponed the launch by 24 hours. 

Illustration des Parker Solar Probe spacecraft (NASA)

Parker Solar Probe: Diving into the solar atmosphere

The Parker Solar Probe is designed to unveil a great secret of the sun. To do so, it must travel closer to our star than any other spacecraft before it to collect data in a hellish environment.  

Rocket carrying NASA's Parker Solar Probe lifts off

Built to withstand extreme heat, NASA's Parker Solar Probe will travel directly into the sun's atmosphere, allowing for the closest observations so far. NASA's $1.5 billion mission is being described as one of its most ambitious projects ever.  

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01:14 mins.

Perseids 2018

When the sky lights up with shooting stars in August, it's that time of the year again: the annual Perseid meteor shower. Here's what to know before looking skyward.  

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26:04 mins.

Tomorrow Today - The Science Magazine

Germs in water, a party without alcohol, the truth about wine and an alternative to animal testing.  

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Keime Labor Petrischale WHO Erreger Krankheitserreger (picture-alliance/dpa/P.Steuer)

Tomorrow Today - The Science Magazine

How clean is our drinking water?

Is there an alternative to animal testing?

A party without alcohol?

Ausstellung von mehrr als 6.000 Handys älterer Generationen (picture-alliance/dpa/K. Mayama)

Is your mobile phone damaging your brain?

Ever since the mobile phone entered our lives in the new millenium, anxieties about its ill effects have abounded. But what do we actually know about the health risks of mobile phones?  

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Insekte (picture-alliance/Bruce Colem/A. Blank)

Megabugs

10 of the largest insects in the world

From butterflies with immense wingspans to creepy crawlies with the longest legs of their kind, here are some of the largest insects in the animal kingdom.  

Bettwanze (NDR)

Bed bugs

Small, resistant and very hard to fight

They're the worst kind of vacation souvenir — parasites that you unwittingly bring home in your luggage. Once bed bugs are in your home, getting rid of them is hard. Take it from someone with first-hand experience.  

Astronaut Alexander Gerst auf der ISS (ESA/NASA)

Astro-Alex is shocked

Parched Earth images from space

From his unique perspective on the International Space Station, Alexander Gerst sent back images of Germany parched and brown due to the heatwave. But the situation in his home region should improve before he returns.  

A boy holds his head in his hands (Fotolia/pegbes)

Interview

Psychiatrist: Child abuse can cause mental disorders

A mother and her partner pimped out her young son to pedophiles for years. Can a child ever overcome such abuse? Possibly, says child psychiatrist Michael Kölch.  

Somnox Schlafroboter (Somnox)

Technology that helps us fall asleep

Slept well last night? Lucky you! 10 to 15 percent of all people have trouble sleeping. Dutch researchers have set out to help the insomniacs. They have come up with devices, mobile apps – and even a sleep robot.  

smarte Lautsprecher (picture-alliance/dpa/kyodo)

Listen up!

DW Discoveries launches on Google Home, smartphones

Fascinated by science? Care about the environment? Want daily health tips? Then say, "OK, Google. Open DW Discoveries."  

PODCAST

A young boy talks with the robot Pepper next to a nurse in the hospital

Spectrum: Robot for chronically ill children

Can a robot really stop loneliness for sick kids? We talk to a researcher behind a novel blood test that detects the early signs of Alzheimer’s Disease. 

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DW Projekt Zukunft Englisch (Tomorrow Today) Hintergrundbild und Sendungslogo Smart TV

Tomorrow Today

Dive in to the fascinating world of science. A TV-show for everyone who's curious - about our cosmos and how it works.  

Tomorrow Today website  

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