Agriculture

MIT grads demonstrate first ammonia-powered tractor
Scientists grow plants in real lunar soil for the first time 
An ancient enzyme could supercharge photosynthesis
Smart sensor tells you exactly when fruit will ripen — or spoil 
Silencing one gene with CRISPR boosts crop yields by 10%
One breed of honey bee can survive its deadliest threat
The West Coast wants to tap into the maple sugar market
Combining crops and solar panels is allowing Kenya to “harvest the sun twice” 
Californian wineries turn to owls as answer for growing pest problem
CRISPR cattle cleared for the first time by FDA