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'The victims are blanked out'
Germany's stringent pilot aptitude tests
Questions are being asked about the mental health of a co-pilot thought to have deliberately crashed a Germanwings plane. But pilot aptitude tests are designed to weed out such cases, expert Michael Müller tells DW.
How does a cockpit door work?
Modern cockpit doors have safety systems to keep out intruders. They can be opened from the cabin - to help pilots in an emergency. But control is from within. And that has its own dangers.
How does a black box work?
If you wan't to establish why a plane crashed, you need to retrieve the black box. This virtually indestructible orange device records all relevant flight data and conversations in the cockpit.
Learning to fly - without fear
After a disaster like the Germanwings crash, aviophobia increases among the population, says Keith Stoll. The psychologist, who works with British Airways, told DW why being afraid of flying is natural for humans.
Little help for traumatized refugees
From 2012 to 2013 the number of refugees in Germany increased by 70 percent, trend: upwards. At least half of them need psychological treatment. But care centers are overloaded.
Short circuit delays restart of CERN Large Hadron Collider
Engineers have upgraded and remodelled the particle-accelerator LHC. Now a scheduled restart had to be delayed due to a short circuit in an electromagnet. The collection of data in 2015 will probably not be affected.
Mega asteroid crater discovered in Australia
Scientists say they have found the world's largest asteroid crater in central Australia. The chance finding suggests a twin-asteroid struck the Warburton Basin over 300 million years ago - with devastating effects.
Bones from the 3D-printer
Researchers are developing a 3D-printer they hope will be able to print bones that come with their own blood vessels. That would highly improve the viability of print-out tissue. Printing whole organs could be next.
Climate change emitting more mixed signals
The expected effects of climate change can be deceptive and paradoxical: Recent studies show that Europe's coastlines are growing colder, while the northern hemisphere is becoming hotter. And there will be more snow.
A world without tuberculosis?
The World Health Organization (WHO) has developed a new ambitious strategy to drastically reduce the number of tuberculosis cases worldwide – even eradicate it in some countries. A realistic target?
Prophylactic surgery to beat cancer?
Angelina Jolie has undergone surgery to have her ovaries and fallopian tubes removed, two years after a double mastectomy. DW looks at some of the factors in assessing women's risk of cancer.