When animals are agitated, human beings can hear it. But the real question is - why can we?
PhD student Tegenu Gossa Aredo uses Ethiopia as the foundation for his study into the prehistory of human evolution. He hopes to rectify a long-held but distorted world view of Africa by digging into its dynamic past.
The Breakthrough Prize may be the "Oscars of Science." It's certainly one of the richest awards. But DW's Zulfikar Abbany says big prizes risk leaving out fields of research and ignoring some researchers.
Scientists have shown how the toxoplasmosis parasite hides away in the brain, altering synapses and potentially causing depression, schizophrenia and autism.
Every year in Germany 45 million male chicks are shredded or gassed to death because they don't produce eggs. Now eggs produced using a new method that isn't so brutal are in supermarkets.
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