Science & technology
Magic money trees
Deforestation is costing Brazilian farmers millions
Without trees to circulate moisture, the land is getting hotter and drier
Large behaviour models
Robots can learn new actions faster thanks to AI techniques
They could soon show their moves in settings from car factories to care homes
Nutrition
Scientists are learning why ultra-processed foods are bad for you
A mystery is finally being solved
Fit to print
Scientific publishers are producing more papers than ever
Concerns about some of their business models are building
The Human Cell Atlas
Scientists are building a catalogue of every type of cell in our bodies
It has thus far shed light on everything from organ formation to the causes of inflammation
Moving the needle
How squid could help people get over their needle phobia
Cephalopod ink propulsion is inspiring an alternative to syringes
Yesterday’s fish
Norway’s Atlantic salmon risks going the way of the panda
Climate change and fish farming are endangering its future
Future imperfect
Artificial intelligence is helping improve climate models
More accurate predictions will lead to better policy-making
Shuttle shock
Physics reveals the best design for a badminton arena
The key is minimising the disruptive effects of ventilation
Goldbugs at work
There’s lots of gold in urban waste dumps
The pay dirt could be 15 times richer than natural deposits
Open-minded
A battle is raging over the definition of open-source AI
Companies that bet on the right one could win big