Search results for aster

Ecology Apr 13, 2024

Sweet lessons: Taiwan urban beekeeping gets positive buzz

Under mulberry trees at a bee farm in Taipei's suburbs, students watched intently as instructor Tsai Ming-hsien wafted smoke over a hive box, explaining to aspiring apiarists how to keep the insects happy in an urban setting.

Plants & Animals Apr 3, 2024

New sunflower family tree reveals multiple origins of flower symmetry

The sunflower family tree has revealed that flower symmetry evolved multiple times independently, a process called convergent evolution, among the members of this large plant family, according to a new analysis. The research ...

Ecology Dec 11, 2023

California's majestic desert must be preserved: This proposal could help

As the former superintendent of Joshua Tree National Park—and a 38-year career employee for the National Park Service—I have seen the undeniable benefits that come with conserving our public lands. Nowhere has this become ...

Cell & Microbiology Dec 5, 2023

From infamy to ingenuity—bacterial hijack mechanisms as advanced genetic tools

Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria, known for inducing "zombie-like" effects in plants. This detailed revelation opens new horizons for groundbreaking applications ...

Earth Sciences Nov 7, 2023

How global warming shakes the Earth: Seismic data show ocean waves gaining strength as the planet warms

As oceans waves rise and fall, they apply forces to the sea floor below and generate seismic waves. These seismic waves are so powerful and widespread that they show up as a steady thrum on seismographs, the same instruments ...

Plants & Animals Nov 6, 2023

The debate over native plants and their cultivars gathers steam

Research to prove or debunk current opinions remains scarce as the debate over whether native plants or their cultivars attract and nourish the most pollinators.

Ecology Sep 13, 2023

A rooftop garden in Chicago has thousands of native plants—and a mission

Three stories above a busy stretch of North Halsted Street, on a rooftop with views of downtown skyscrapers, crickets chirp and prairie flowers dance in the breeze.

Earth Sciences Sep 6, 2023

Half of Earth's glaciers could vanish with 1.5 degrees of warming, study warns

In the Himalayas, not far from the base of Mount Everest, lies the Imja-Lhotse Shar Glacier, where David Rounce conducted his doctoral research. From 2013 to 2017, Rounce and his team visited Nepal to measure the glacier ...

Plants & Animals Aug 24, 2023

Museum researchers enlist hundreds of home gardeners in fight to save the iconic monarch butterfly

On a suburban street with smooth lawns and trimmed bushes, Martha Chiplis' yard stands out. It's not just the wildflowers: purple wild petunia, golden lanceleaf coreopsis, hot-pink Bush's poppy mallow. It's the lemon-yellow ...

Space Exploration Feb 3, 2023

France pledges not to conduct anti-satellite missile tests but leaves other options open

Driven by concerns over space debris, in late November the French Ministry for the Armed Forces formally committed not to conduct anti-satellite missile tests. And yet, France's space strategy of 2019 resolved to "toughen" ...

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