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Half a million girls aborted in India each year
Half a million girls are aborted in India every year due to the widespread availability of ultrasound scans, according to research at Bristol University. Professor Sonia Bhalotra is one of the authors of the research.
China blocks 'Egypt' searches on micro-blogging sites
The anti-government protests in Egypt appear to have sparked nervousness in China. The authorities have blocked searches for Egypt on micro-blogging sites. Professor David Kelly is from the China Research Centre at Sydney's University of Technology.
How Egypt protesters are evading blocks on social networks
The authorities in Egypt appear to have clamped down on Facebook, Twitter and other internet services that have been used to help organise anti-government protest. The BBC's Mark Gregory reports.
The Climate Connection: What's stopping us?
BBC World Service explores a key question in the story of action on climate change: what's stopping us?
Marathon swimmer Martin Strel to take on the Grand Canyon
Martin Strel has already smashed four Guinness World Records after swimming the entire length of the Amazon, Yangtze, Mississippi and Danube rivers. Now the 56-year-old is setting his sights on conquering the Grand Canyon's Colorado River.
Could wireless electricity be a reality soon?
The man who wrote the first ever computer virus
Mobile internet connection from almost any location
New technology for predicting crowd behaviour launches
