The world welcomes its 'seven billionth' baby
The world welcomed its symbolic ``seven billionth'' baby on Monday but celebrations were tempered by worries over the strain that humanity's population explosion is putting on a fragile planet.
German astronomers have discovered a 'giant baby' planet in deep space which they say has a mass 10 times as dense as Jupiter but is a scant 10 million years old - a newborn by cosmic standards.