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Commercial interest and federal funding are leading to more research into the therapeutic benefits of the fragrant molecules known as terpenes. Here's what else you need to know about the little-known compounds that make cannabis a better medicine.

Complexity science reveals the hard limits of our predictive abilities, and makes a mathematical case for compassion

In a new study, German scientists have restored the ability to walk in mice that had been paralyzed after a complete spinal cord injury. The team created a “designer” signaling protein and injected it into the animals’ brains, stimulating their nerve cells…