Beyonc and rapper Jay welcomed their first child on 7 January - a little girl called Blue Ivy.
Their daughter's name was confirmed by the couple's close friend Gwyneth Paltrow, who tweeted:
"Welcome to the world Blue! We love you already."
The 30-year-old singer gave birth by Caesarean section at Lennox Hill hospital in New York, with Jay - real name Shawn Carter - by her side.
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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