Flower shape and size impact bees’ chances of catching gut parasites

Bees that land on short, wide flowers can fly away with an upset stomach.   Common eastern bumblebees (Bombus impatiens) are more likely to catch a diarrhea-inducing gut parasite from…

This pitcher plant species sets its deathtraps underground

Biologist Martin Dančák didn’t set out to find a plant species new to science. But on a hike through a rainforest in Borneo, he and colleagues stumbled on a subterranean…

Cats chewing on catnip boosts the plant’s insect-repelling powers

For many cats, a mere whiff of catnip can send them into a licking, rolling, plant-shredding frenzy. That destruction amplifies catnip’s natural defenses against insects and its appeal to cats,…

These are the first plants grown in moon dirt

That’s one small stem for a plant, one giant leap for plant science. In a tiny, lab-grown garden, the first seeds ever sown in lunar dirt have sprouted. This small…

These are the first plants grown in moon dirt

That’s one small stem for a plant, one giant leap for plant science. In a tiny, lab-grown garden, the first seeds ever sown in lunar dirt have sprouted. This small…

Leonardo da Vinci’s rule for how trees branch was close, but wrong

Leonardo da Vinci was wrong about trees. The multitalented, Renaissance genius wrote down his “rule of trees” over 500 years ago. It described the way he thought that trees branch.…

These flowers lure pollinators to their deaths. There’s a new twist on how

Fake — and fatal — invitations to romance could be the newest bit of trickery uncovered among some jack-in-the-pulpit wildflowers. The fatal part isn’t the surprise. Jack-in-the-pulpits (Arisaema) are the…

Forests help reduce global warming in more ways than one

When it comes to cooling the planet, forests have more than one trick up their trees.   Tropical forests help cool the average global temperature by more than 1 degree…

Africa’s fynbos plants hold their ground with the world’s thinnest roots

Some plant roots draw a line in the sand — literally. In South Africa, you can move between cool, green forest and sunbaked shrubland in a single stride. These narrow…

Earth may have 9,200 more tree species than previously thought

Trillions of trees are growing on Earth, though how many kinds there are has been underestimated, a new study finds. Earth hosts roughly 64,100 known tree species. But there could…