SpaceGamma rays from the sun are acting weird and nobody knows why A survey of the sun’s radiation turned up two surprises: a dip in low-energy gamma rays, and far more high-energy gamma rays than predicted. And nobody knows why 51¶¯Âþ
HumansDark DNA: The missing matter at the heart of nature The discovery that some animals thrive despite hugely mutated DNA hidden in their genome is forcing us to rethink some basics of evolution Features