Search results for ancestral populations

Plants & Animals May 23, 2024

Three sisters garden study finds balanced pollinator-plant network faces an uncertain future

The loss of even one wild bee species can disrupt the reproductive success of certain plants resulting in fewer vegetables, fruits and flowers, say York University researchers who studied how pollinators and plants rely on ...

Plants & Animals May 22, 2024

Wild birds possess genetic predispositions to learn population-specific songs, study finds

Genetic predispositions guide population-specific song learning in wild birds, shows new research from Stockholm University. By studying adult pied flycatchers that had been translocated as eggs from the Netherlands to Sweden, ...

Ecology May 21, 2024

Homo sapiens facilitated establishment of Bonelli's eagle in the Mediterranean 50,000 years ago, study finds

Spanish and Portuguese scientists have unraveled the ancestral history of one of the most iconic birds of prey in the current Iberian fauna, the Bonelli's eagle (Aquila fasciata). The work, published in the journal People ...

Plants & Animals May 20, 2024

Genetic drift, not natural selection, identified as main factor driving speciation in endangered pupfish species

Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico.

Evolution Apr 18, 2024

Instinct for 'fight or flight' may be much older than we thought

Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink of the origins of the ...

Earth Sciences Apr 12, 2024

Q&A: El Niño drought leaves Zimbabwe's Lake Kariba only 13% full—a disaster for people and wildlife

Water levels at Lake Kariba in Zimbabwe have dropped dramatically because of the latest El Niño drought. The country's president, Emmerson Mnangagwa, has declared a national disaster.

Archaeology Apr 9, 2024

Irish castles and ancient Greek rites show culture's role in regional regeneration

Tapping into the long and rich histories of places around Europe is a central part of an EU push for rural and urban revival.

Plants & Animals Apr 8, 2024

The regenerative feats of endangered axolotls

Axolotls (Ambystoma mexicanum) are a critically endangered species of salamander. The species has only one natural habitat remaining, a series of canals in Mexico City, and only 50 to 1,000 axolotls are estimated to be left ...

Economics & Business Apr 5, 2024

Do immigrants and immigration help the economy?

When Americans mark their presidential election ballots later this year, immigration will be top of mind—it's the nation's number one issue, according to pollster Gallup. And one of the toughest talkers on the topic is ...

Ecology Apr 1, 2024

Beavers' work can help stop wildfires: More places in California are embracing them

A vast burn scar unfolds in drone footage of a landscape seared by massive wildfires north of Lake Tahoe. But amid the expanses of torched trees and gray soil, an unburnt island of lush green emerges.

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