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Nature's 'master painters': Study reveals how damselflies break optical barriers to create saturated colors

Nature's 'master painters': Study reveals how damselflies break optical barriers to create saturated colors Gaby Clark Scientific Editor Andrew Zinin Lead Editor Scientists at Ben-Gurion University of the Negev (BGU) have uncovered for the first time the "ingenious" biological strategies that allow blue-tailed damselflies to produce strikingly vivid, angle-independent colors. The study, published in the Proceedings of the National Academy of Sciences, provides a new blueprint for creating...

Phys.org 22h 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

Ötzi's frozen remains may harbour metabolically active microbes

Some of the microbes lingering on the 5300-year-old remains of “Ötzi the Iceman” may still be metabolically active, despite being kept in icy conservation conditions. Ötzi’s mummified body was discovered in 1991 thawing out of an Alpine glacier close to the border of Austria and Italy. He is estimated to have lived at some point between 3350 and 3120 BC, and in the 35 years since he was found, studies of his remains have revealed a treasure trove of information, including that he was...

New Scientist 7d ago

Another country to ban mobile phones in schools as reading levels fall

Another country to ban mobile phones in schools as reading levels fall Since 2023, Sweden’s centre-right coalition government has pursued a policy prioritising more reading time and less screen time - Bookmark Sweden, a nation long championed as a leader in adopting digital technology, is set to ban mobile phones in schools starting from the next academic year as part of a broad, international reversal on the use of screens in classrooms. Since 2023, the Scandinavian country’s centre-right...

The Independent World 1d ago

The best pollinators can drive evolutionary changes in flowers

The best pollinators can drive evolutionary changes in flowers Gaby Clark Scientific Editor Robert Egan Associate Editor A new study by plant biologists at the University of California, Santa Cruz, challenges a longstanding idea that stems from the large number of flowers in the mountains of Central and South America that have evolved to be pollinated by hummingbirds instead of bees. According to the research team, flowers make this switch—not because bees avoid cool, wet cloud forest...

Phys.org 5d ago

Strange winds on seven hot Jupiters reveal strongest signs yet of exoplanet magnetic activity

Strange winds on seven hot Jupiters reveal strongest signs yet of exoplanet magnetic activity Sadie Harley Scientific Editor Robert Egan Associate Editor A team of astronomers has found the strongest evidence yet that some planets outside our solar system may be magnetic. Using the European Southern Observatory's Very Large Telescope (ESO's VLT) and the Gemini North telescope, the researchers measured wind speeds on seven very hot, Jupiter-like exoplanets. The observations reveal that the...

Phys.org 8d ago

German town prints its own cash to cut CO2 emissions

German town prints its own cash to cut CO2 emissions June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.

Deutsche Welle 9d ago

How a German town uses currency to promote emission cutting

How a German town uses currency to promote emission cutting June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.

Deutsche Welle 9d ago

The German town that prints its own money to cut emissions

The German town that prints its own money to cut emissions June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.

Deutsche Welle 9d ago

The German town where locals spend play money to cut CO2

The German town where locals spend play money to cut CO2 June 1, 2026Walk into a bakery or a bookshop in Bavaria's Chiemgau region, and you might spot a customer paying with what looks like play money — colorful banknotes printed with grasshoppers, ladybugs and other insects. "An estimated 10 to 15% of customers pay this way," one bookseller told DW. The locals call it the "Chiemgauer" — and it's a currency they invented themselves.

Deutsche Welle 9d ago