The BBC science reporter says research so far has been hampered by ethical issues surrounding stem cells to rive from specially grown human embryos.

BBC的科学记者认为此项研究由于牵扯到前体细胞来自于正在成长的胚胎而引起的道德问题而被搁置。

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Laying the more comprehensive reports side-by-side with some science analysis from the BBC, here's what we know — and what we know we don't know.

这里，通过综合性的多方报道结合部分BBC的科学分析，我们了解到了一些情况和那些我们仍未可知的东西。

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Jana Bennett, Director of Vision at the BBC said: "Science is at the heart of everyday life, life itself and the universe." It's also a deeply human pursuit.

视觉导演贾纳贝内特在BBC说：科学在我们每天的生活，还有生活本身，甚至全人类中占据着核心位置，这也是人类的一个深深的追求。

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The story of leptin is told on the BBC Science programme Horizon.

BBC: Born to be fat

Well done BBC for this inspiring piece and I am sure that the BBC science festival from Makerere University will be a success!

BBC: What if Africa were to become the hub for global science?

"He was not a professionally trained astronomer and yet did professional quality work, particularly when it came to mapping the Moon in the 1950s - I think every astronomer in the world owes something to Patrick Moore, " said ex-BBC science correspondent and fellow astronomer Dr David Whitehouse .

BBC: Tributes paid to Sir Patrick Moore