A powerful new way to generate electricity could eventually make electric cars and electronic gadgets run longer.
Improving technology is making electrolysis a viable way to store excess energy from renewable sources.
If they're out there, other advanced civilisations should be emitting waste energy like hot exhaust. And that provides a good way to spot them, argue SETI experts.
A viral social-media campaign has brought unprecedented money to a rare disease. How might new funding help ALS research?
Mobility data from an African mobile-phone carrier could help researchers recommend where to focus health-care efforts.
A novel way of powering implanted devices could enable new ways to control appetite, regulate insulin, and treat brain injuries.
As the world grows hungrier for animal protein, insects could be the new way to feed livestock.
Improvements in DNA analysis are helping us rewrite the past and better grasp what it means to be human.
A promising technique for synthetic biology is fraught with risks.
A new kind of accelerometer could bring sophisticated motion sensing to even cheap mobile phones.