Â鶹Éç

Available for over a year

Black holes may be producing as much light as all the stars in the universe as they pull matter towards them and the gravitational energy is converted to heat. Arabidopsis has become the first plant genome to be sequenced, an important step towards providing food for the world. Why do flags flap in the wind? What's the connection in Turkey between precipitation and dust from the Sahara desert? How sounds can change what we see.