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Rare fossil goose rewrites the story of New Zealand's giant birds

Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New Zealand's birds. The find suggests the country's giant flightless geese evolved from much more recent arrivals, revealing a far more dynamic evolutionary h

Admin Recifes 15/07/2026 1

Climate change leaves northern tree swallows more vulnerable those in the southern US

Tree swallows in the northern U.S. and Canada face the greatest risk from climate change despite responding to temperature the same way as tree swallows in the southern U.S., according to a new study led by Cornell researchers that analyzed nearly 95,000 nests across five decades

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Chemists make elusive carbon-bridged sandwich molecule once thought too strained to exist

Progress in chemistry is often gradual, with some of its most important advances taking years—sometimes decades—to unfold. A case in point is the discovery of a novel "ferrocenophane" from the class of compounds known as "sandwich molecules"—so named because of their particular s

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Hubble discovers first of star cluster's missing black holes

The massive globular star cluster Omega Centauri has puzzled astronomers for decades. It should be filled with black holes left behind by exploding stars, yet evidence for them is scarce. Now, astronomers using archival data from NASA's Hubble Space Telescope and supporting obser

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What one of Emperor Hadrian's latrines is telling us about the durability of Roman concret

One of the many marvels of the Roman world is that some of its buildings are still with us. But why have they lasted for so long when some relatively modern structures are in a state of decay after a few decades?

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The family tree of viruses just grew, and it paves the way for a new approach to agricultu

Researchers have discovered that a group of viruses known to infect an agriculturally important plant pathogen has remained genetically stable for an astonishing four decades. The discovery of a disease-fighting virus that doesn't mutate at a rapid rate points the way toward new

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'Silly sprinklers' put in reverse to further unravel decades-old physics puzzle

Each summer, lawns are marked by a familiar addition: "silly sprinklers," whose loops and spirals spew water in creative ways. While seemingly frivolous in their construction, a team of mathematicians has used their design to address a long-standing mystery surrounding the laws o

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A 37-year soil experiment revealed a hidden climate threat

The world's longest-running soil warming experiment has revealed an unexpected climate concern. After nearly four decades, researchers found that warming can cause microbes to break down stable soil carbon that scientists once believed was largely protected. That releases extra c

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Disturbance has a greater effect on giant kelp productivity than resource availability

Marine scientists at UC Santa Barbara have found that disturbances to giant kelp forests have a major influence on their net primary productivity (NPP)—an indicator of an ecosystem's health and its ability to support its community—even more so than the availability of the resourc

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35 years of Florida scrub-jay research reveals benefits of long-term pair bonds

At Archbold Biological Station, decades of field observations are helping scientists better understand one of nature's oldest relationship strategies: long-term monogamy.

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Ticking time bomb? Europe's aging population brings challenges

The population of the 27-nation European Union will peak in 2029 before falling in the coming decades, according to a report published Tuesday that spotlights the major challenges the bloc faces from an aging population.

Admin Recifes 15/07/2026 1

New study analyzes how electronic trading is changing the retail investment market

The decades-long switch from human-centered to electronically-based trading has changed the way investors participate in and access financial markets. In a new article, researchers analyze how technology has shaped the retail investment market in the United States. While retail i

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