Hemp cannabinoids may have evolved to deter insect pests

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to experiments that showed higher cannabinoid concentrations in hemp leaves led to proportionately ...

A twist on atomic sheets to create new materials

The way light interacts with naturally occurring materials is well-understood in physics and materials science. But in recent decades, researchers have fabricated metamaterials that interact with light in new ways that go ...

Rats have an imagination, new research finds

As humans, we live in our thoughts: from pondering what to make for dinner to daydreaming about our last beach vacation. Now, researchers at HHMI's Janelia Research Campus have found that animals also possess an imagination.

Climate experts warn of fossil fuel tactics at COP28

Oil-rich Gulf states have positioned themselves as both champions of climate innovation and guardians of fossil fuel interests—a balancing act experts warn could derail action at COP28 in Dubai.

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