Japanese scientists make breakthrough in cloning a woolly mammoth

The author says Depp's personal life is private and should be respected.

Scientists have successfully implanted baby mice with human brain cells, according to new research.

Hope rises for heart transplant patients after ground-breaking innovation. In about a decade from now, scientists hope to have man-made hearts suitable for transplant into humans after scientists in Israel unveiled a 3D print of a heart, complete with tissues and vessels.

In this edition we speak to best-selling French author Marc Levy. In the last 25 years, he has sold more than 50 million books and his work has been translated into 49 languages. He's just come out with volume two of his novel "The Twilight of the Beasts", published in French. The author tells us more about this techno-thriller articulated around nine "grey hat" hackers who are fighting to preserve freedom. He also tells us why he's so critical of social media networks.

Scientists say they have found a new class of memory cells in the brain that remind us who we know and why. It may help us age in the digital age.