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1 week agoFirst observation of a star's interior opens unprecedented window into the birth of matter
The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff, proclaimed American astrophysicist Carl Sagan in his famous book Cosmos almost half a century ago. A team of scientists has now been able to peer into these stellar bowels for the first time, the chaotic forge where the chemical elements that make up human beings and everything around them are formed.
Science