Behold: the salmon cannon
Salmon populations in the northwest United States are in decline, and man-made dams have hindered their migration back to the headwaters of the rivers where they were born in order to spawn. As Franci ...
How horse poop is helping heat homes in Helsinki
Organisers of the FEI World Cup Jumping Show in Helsinki are using horse manure from its equine athletes to provide electricity for the event and heat homes in the Finnish capital. Emily Wither report ...
The eye in space studying whale strandings
Researchers at the British Antarctic Survey are using satellite imagery to detect and study massive whale strandings, with the hope of figuring out how to stop them. Emer McCarthy reports.
Algae bioreactor absorbs CO2 better than trees
A U.S.-based tech startup is using algae to play what could be an important role in the fight against climate change. Edward Baran reports.
Amputee ex-soldier aims for Paralympic glory with world-first snowboard design
A former British Army soldier is hoping to achieve his Paralympic dreams with the world's first 3D-printed snowboard bindings. Anna Bevan reports.
Zuckerberg says Facebook considered banning political ads
Facebook Chief Executive Mark Zuckerberg said in a speech on Thursday that the social media company had considered banning all political advertising but decided against it. Rough Cut (no reporter narr ...