Diamonds made in the lab are increasingly difficult to distinguish from those found in nature.
It's tough predicting the future, especially when people expect you to be right. But that hasn't stopped Britain's Astronomer Royal, Lord Martin Rees. Rees spoke to DW about his new book, "On the Future."
Three researchers who paved the way for advanced precision laser instruments have been awarded the Nobel Prize in Physics. They trio will split the award of 9 million Swedish kronor (€866,000, $1 million).
Scientists have shown how the toxoplasmosis parasite hides away in the brain, altering synapses and potentially causing depression, schizophrenia and autism.
Scientists have agreed to define a kilogram in terms of an electric current instead of "Le Grand K," a metal cylinder kept in a Paris vault. But the new definition will have no noticeable impact on most people's lives.
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