The Hollywood socialite and her rocker boyfriend welcomed their second child, Sparrow James Midnight Madden who weighed in at 7lbs 14oz. The couple already have a daughter, Harlow Winter Kate Madden, who was born in January 2008.
The couple announced on Nicoles website: "In the middle of night, the very early hours of September 9, 2009, Sparrow James Midnight Madden was born. Nicole, Joel, Harlow and Sparrow are all doing well. Thank you for all of your good wishes."
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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