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Medieval pandemic left a hidden legacy in Europe's oldest trees

Medieval pandemic left a hidden legacy in Europe's oldest trees Lisa Lock Scientific Editor Andrew Zinin Lead Editor A new study published in the Proceedings of the National Academy of Sciences demonstrates how radiocarbon dating can reveal the maximum lifespan of Mediterranean hardwoods, uncovering hidden links between human history and long-term ecosystem dynamics. By analyzing mature and ancient oak trees across Italy, researchers found that a millennium of age is attainable from the...

Phys.org 3d ago

The ocean's health may depend on a tiny microbe inside fish

The ocean's health may depend on a tiny microbe inside fish A hidden alliance between fish and gut bacteria may be quietly helping regulate the oceans—and even the global carbon cycle. - Date: - May 31, 2026 - Source: - University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science - Summary: - A surprising new discovery suggests that tiny microbes living inside fish may be helping shape the chemistry of the world’s oceans. Scientists found evidence that bacteria in the guts...

Science Daily 10d ago

Beetle mating rituals key to Banksia populations

Beetle mating rituals key to Banksia populations Lisa Lock Scientific Editor Andrew Zinin Lead Editor The nocturnal mating rituals of hairy scarab beetles are helping pollinate one of Perth's most common native trees, in a discovery that highlights the unusual adaptations of Australian plants and the unexpected pollination strategies still to be discovered. A four-year study led by La Trobe University discovered that the candlestick banksia is a rendezvous site for beetles to mate and feed...

Phys.org 7d ago

These California wildflowers could save other plants

These California wildflowers could save other plants Lisa Lock Scientific Editor Andrew Zinin Lead Editor As wildflowers go, the mountain jewelflower is demure, clever and quietly unbreakable. It has spread across many of California's iconic landscapes, from Sonoma wine country to the oak-dotted foothills, even over the Sierra Crest, where snow covers the ground during winter. "It seems at first glance like it could grow just about anywhere," said Jennifer Gremer, an associate professor in...

Phys.org 11d ago

From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex

From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex Lisa Lock Scientific Editor Robert Egan Associate Editor The evolution of sex remains one of biology's greatest puzzles. While sexual reproduction dominates across the animal kingdom, scientists still debate why it persists despite its high costs. Even more mysterious is the loss of sex in favor of asexual reproduction whereby females give birth to copies of themselves without any contribution from males.

Phys.org 8d ago

Millions of Bees Have Thrived Under a New York Cemetery for More Than a Century

A morning walk through East Lawn Cemetery in Ithaca, New York, uncovered an immense colony of some 5.5 million subterranean bees. The discovery, which a Cornell University research team published in April in the journal Apidologie, documents one of the largest aggregations of these insects ever recorded. The population, belonging to the species Andrena regularis, occupies an area of about 1.25 acres and is crucial for pollination of the region's orchards, demonstrating that historic...

Wired 11d ago