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Posts Tagged "Pollen"

The Artful Amoeba

Grasses’ Secret: They Have Flowers, and Some Are Gorgeous


Growing up, I felt certain that grass and most trees did not have flowers. They just had leaves and seeds — that was all I could see, anyway. It wasn’t until college that my eyes were opened. Not only do all trees except conifers and tree ferns have flowers, so do all grasses. All of [...]

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Extinction Countdown

Dung from Critically Endangered Kakapo Parrots Could Save Endangered Plant


A fossilized sample of thousand-year-old parrot dung has revealed a previously unknown ecological relationship that could help save a threatened parasitic plant from extinction. Yup, conservation science is sometimes weird. The plant in question is called Dactylanthus taylorii (aka wood rose or Hades flower). A parasitic plant that only grows on the roots of about [...]

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Allergies from Pollen Projected to Intensify with Climate Change

allergies pollen increase climate change

Spring and summer allergy sufferers might already have noticed a slight increase in days spent sneezing each year. And new research suggests that allergies triggered by pollen are set to increase—in both duration and severity—with climate change. The seasonal scourge ragweed has already been expanding its range in North America, thanks in large part to [...]

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Bumblebees Quickly Learn Best Paths to Sweet Flowers

bumblebees learn shortest routes to flowers

Bumblebees, it turns out, don’t bumble. Using tiny radar tracking devices, motion-activated cameras and artificial flowers, scientists have learned how the bees themselves quickly learn the best routes to take when they go foraging from flower to flower. In fact, their cognitive competence in this area seems to match that of bigger-brained animals. A team [...]

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Tiny radio transmitters track flight of tropical orchid bees

radio transmitter track tropical orchid bees

Rare tropical orchids can be few and far between in the wild, often separated by spotty landscape and human-made obstacles. But powerful tropical orchid bees do the leg—or wing—work, flying great distances to pollinate isolated flowers and keep the flora gene pool fresh. Just how far and where exactly these bees fly, however, has remained [...]

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