The axolotl salamander is able to regrow lost or damaged organs and limbs - making it a fascinating model to study in regeneration research.
Modern cloth nappies are a convenient alternative to disposables. But in trying to solve one environmental problem, are they contributing to another? Samantha Early aired her dirty laundry in public to find some answers.
Education and fighting poverty are key to combatting the effects of extreme weather, says Joseph Mukabana, Director of the Office for Africa and Least Developed Countries at the World Meteorological Organization.
Some people claim they only need four to five hours of sleep a night. After that, these super-humans say, they wake up nice and refreshed, ready for the challenges of a new day! From a health standpoint, that's bogus.
India's water crisis has worsened over the past couple of decades, as an increased number of rivers dry up. But several non-governmental organizations are working to restore them. Murali Krishnan reports.
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