Search results for land availability

Plants & Animals 13 hours ago

Scientists confine, study Chinook at restored Snoqualmie River habitat

In newly restored river channels on the Snoqualmie, baby Chinook salmon are confined in 19 enclosures about the size of large suitcases as they munch on little crustaceans and invertebrate insects floating or swimming by.

Veterinary medicine 14 hours ago

How worrying is bird flu's jump to dairy cows? Here's what experts say

Since 2022, a highly contagious strain of bird flu has spread across the U.S. at an unprecedented rate, resulting in the deaths of more than 90 million birds in commercial and backyard poultry flocks, plus thousands more ...

Astrobiology Apr 24, 2024

A NASA rover has reached a promising place to search for fossilized life on Mars

While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, NASA's Perseverance rover is explicitly intended ...

Archaeology Apr 24, 2024

The story of the first Alor people adapting to climate change 43,000 years ago

As humans, our greatest evolutionary advantage has always been our ability to adapt and innovate. When people first reached the expanded coastline of Southeast Asia around 65,000 years ago, and faced the sea crossings necessary ...

Plants & Animals Apr 24, 2024

International study produces a comprehensive 'tree of life' for flowering plants

With their own botanical collection material and their research knowledge on the evolution of cruciferous plants (plants of the cabbage family), bioscientists at Heidelberg University have contributed to a large-scale international ...

Earth Sciences Apr 24, 2024

Climate change supercharged a heat dome, intensifying 2021 fire season, study finds

As a massive heat dome lingered over the Pacific Northwest three years ago, swaths of North America simmered—and then burned. Wildfires charred more than 18.5 million acres across the continent, with the most land burned ...

Plants & Animals Apr 24, 2024

Vast DNA tree of life for plants revealed by global science team using 1.8 billion letters of genetic code

A new paper published today (April 24) in the journal Nature by an international team of 279 scientists led by the Royal Botanic Gardens, Kew presents the most up-to-date understanding of the flowering plant tree of life.

Biochemistry Apr 23, 2024

Researchers develop eggshell 'bioplastic' pellet as sustainable alternative to plastic

What if there was plastic-like material that could absorb excess nutrients from water and be used as a fertilizer when it decomposes? That product—a "bioplastic" material—has been created by University of Saskatchewan ...

Paleontology & Fossils Apr 23, 2024

Fossil frogs share their skincare secrets: Analysis of 45-million-year-old soft tissues

Paleontologists at University College Cork (UCC), Ireland, have solved a hundred-year-old mystery of how some fossil frogs preserve their fleshy parts—it's all down to their skin.

Earth Sciences Apr 22, 2024

World's oases threatened by desertification, even as humans expand them

Oases are important habitats and water sources for dryland regions, sustaining 10% of the world's population despite taking up about 1.5% of land area. But in many places, climate change and anthropogenic activities threaten ...

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