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Ažuriranje: kolovoz 2017.god.
Number of endangered butterfly species also surging amid habitat destruction and global heating, finds study
The number of wild bee species in Europe at risk of extinction has more than doubled over the past decade, while the number of endangered butterfly species has almost doubled.
The jeopardy facing crucial pollinators was revealed by scientific studies for the International Union for Conservation of Nature (IUCN) red list of threatened species, which found that at least 172 bee species out of 1,928 were at risk of extinction in Europe.
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Exclusive: Trial that has produced 13 hatchlings could help other threatened species avoid extinction
The slow-motion pitter-patter of tiny giant tortoise feet has been worryingly rare in recent years, but that looks set to change thanks to the first successful hatching of the species with artificial incubation.
One week after the intervention, the 13 babies are building up their strength on a diet of banana slices and leafy greens in Seychelles, which is home to one of the last remaining populations of the tortoise.
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Video shows some of the juveniles exploring outside their den at Mallee Cliffs national park in south-western NSW
Baby numbats have been spotted at two wildlife sanctuaries in south-western New South Wales, sparking hope for one of Australia’s rarest marsupials.
Video captured by the Australian Wildlife Conservancy (AWC) shows some of the juveniles exploring outside their den at Mallee Cliffs national park.
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Carmakers accused of cheating air pollution rules have faced little punishment in UK but trial brought by 1.6m motorists is about to begin
“Little lungs are still paying for Dieselgate every day,” says Jemima Hartshorn, the founder of the Mums for Lungs campaign group. Her own young daughter has suffered serious breathing problems, which at their worst involved the harrowing experience of having to pin her to the floor to administer an inhaler.
It is 10 years since the scandal erupted, exposing cars that pumped out far more toxic fumes on the road than when passing regulatory tests in the lab. But Dieselgate is far from over.
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Black Cuillin, Skye: The rough rock tears the skin and is slippery when wet. But the only way is up
Towers of shattered rock rise around us, wreathed in mist. We’ve been trudging for hours to gain this ridge, only to be buffeted by cold drafts and dampened by the swirling smirr of rain. This is the Black Cuillin of Skye, a ring of mountains forming the crater of an ancient volcano. It’s also the route of the legendary Skye Ridge Traverse, a 12km walk that takes in 11 Munros, the hills in Scotland above 3,000 feet, as originally measured by Sir Hugh Munro in 1891.
The hardest is here is the Inaccessible Pinnacle. A sharp fin of rock rising 50 metres above Sgùrr Dearg, it looked impossible to Munro, who contented himself with the rounded hump below. No such luck for today’s “Munro baggers” who must climb the In Pinn to claim completion.
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Biodiversity losses are growing, the IUCN reports as summit opens, but green turtle’s recovery ‘reminds us conservation works’
More than half of all bird species are in decline, according to a new global assessment, with deforestation driving sharp falls in populations across the planet.
On the eve of a key biodiversity summit in the UAE, scientists have issued a fresh warning about the health of bird populations, with 61% of assessed species now recording declines in their numbers.
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Firms led by deputy Reform UK leader since 2011 have shown commitment to saving energy and cutting CO2 emissions
He never seems to tire of deriding “net stupid zero”, but Reform UK’s deputy leader, Richard Tice, has a 15-year business record of support for sustainability and green energy initiatives.
The Reform party has made opposition to green energy and net zero part of its policy platform. Its founder, Nigel Farage, has called net zero policies a “lunacy”; the party has called to lift the ban on fracking for fossil gas; and one of the first Reform-led councils, Kent, rescinded last month its declaration of a climate emergency.
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Experts warn approving a windfarm in the habitat of one of Australia’s most critically endangered birds could be ‘rolling the dice’ on their survival
One of Australia’s most critically endangered bird species has started arriving at Melaleuca, in Tasmania’s south-western world heritage area. By late this week, six orange-bellied parrots had turned up at the remote outpost to breed, having made the weeks-long flight from the mainland, across Bass Strait and down the state’s wild west coast.
Relatively little is known about where the birds go during the winter, other than that it is a hazardous journey for a bird that weighs about 40 grams. In recent years, only about half the parrots that leave Melaleuca, the species’ sole wild breeding site, have returned in spring.
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Tariffs have caused a Chinese exit from the soybean market – and midwestern farmers are waiting on a solution
At the Purfeerst farm in southern Minnesota, the soybean harvest just wrapped up for the season. The silver grain bins are full of about 100,000 bushels of soybeans, which grab about $10 a piece.
This year, though, the fate of the soybeans, and the people whose livelihoods depend on selling them, is up in the air: America’s soybean farmers are stuck in the middle of a trade war between the US and China, the biggest purchaser of soybean exports, used to feed China’s pigs.
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Only 15 of 100 MPs surveyed knew of IPCC report that CO2 needs to peak this year to keep global heating to 1.5C
The people you hope would be best informed about the imminent threat of climate breakdown would be members of parliament. After all, droughts and storms affecting their constituents have been a recurring news item. The need to reach net zero carbon emissions by 2050 requires an informed debate among parties.
The key question on which the latest Intergovernmental Panel on Climate Change report, in 2022, reached hard-won scientific consensus was when CO2 emissions need to peak for a realistic chance of keeping global temperature increases below 1.5C, the target set by the 2015 Paris agreement as too dangerous to exceed. The answer, given great prominence in the report and the media coverage of it, was this year, 2025.
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Nedavno je napravljen značajan napredak u razumijevanju uloge modifikacije laktilacije u disekciji aorte. Naime, pokazalo se da laktilacija mitohondrijske podjedinice ATP sintaze alfa (ATP5F1A) na mjestu K531 potiče razvoj i napredovanje disekcije aorte oštećujući mitohondrijsku funkciju i inducirajući fenotipsku promjenu u stanicama glatkih mišića krvnih žila.
Multipla skleroza, kronična je autoimuna bolest koja pogađa više od 2,9 milijuna ljudi diljem svijeta. Nastaje kada imunološki sustav pogrešno napadne mijelinsku ovojnicu, zaštitnu izolaciju oko živčanih vlakana, uzrokujući poremećaj živčanih signala između mozga i tijela. Simptomi multiple skleroze mogu uključivati utrnulost, trnce, gubitak vida i paralizu.
Rezultati nove studije pokazali su kako ravnoteža bakterija u želucu utječe na rast neuroendokrinih tumora (NET). Identificiranjem specifičnih uključenih bakterija i biokemijskih reakcija koje uzrokuju rast tumora, znanstvenici se nadaju stvoriti novu dijagnostičku tehniku za otkrivanje pacijenata koji najvjerojatnije razvijaju rak.
Kada se starijim osobama koje žive u domovima za starije i nemoćne propiše lijek protiv bolova tramadol uz određene antidepresive, rizik od napadaja može se povećati, ukazuju rezultati nove studije.
Rak mokraćnog mjehura jedan je od najčešćih karcinoma u svijetu. Muškarci ga razvijaju otprilike četiri puta češće od žena, a pušenje je glavni poznati faktor rizika iz okoliša. Međutim, biološki mehanizmi koji stoje iza ovih faktora rizika ostaju nejasni.
Dojenje do najmanje šest mjeseci pomaže dojenčadi u borbi protiv infekcija i smanjuje kronične upale, pokazuju rezultati nove studije. Sprječavanje ovih infekcija moglo bi smanjiti stopu mnogih dječjih bolesti, poput alergija, dijabetesa i astme.
Snažni opioidni analgetik, tramadol, nije toliko učinkovit u ublažavanju kronične boli za koju se široko propisuje, pokazuje analiza združenih podataka dostupnih istraživanja. Također, on povećava rizik od ozbiljnih nuspojava, uključujući bolesti srca, što ukazuje da potencijalne štete tramadola vjerojatno nadmašuju njegove koristi te da njegovu upotrebu treba svesti na najmanju moguću mjeru.
Žene koje rode carskim rezom u uznapredovalom stadiju porođaja imaju oko osam puta veću vjerojatnost da će razviti ožiljke u maternici za koje se zna da povećavaju vjerojatnost prijevremenog porođaja u budućim trudnoćama, pokazuje nova studija.
Čak i u kasnijoj životnoj dobi, zdrava prehrana se isplati; naime, nova studija otkriva da zdravija prehrana može dramatično produžiti životni vijek krhkih odraslih osoba i smanjiti rizik od rane smrti.
Nova studija otkrila je pet profila spavanja i biopsihosocijalnih poremećaja te njihove povezane obrasce funkcionalne povezanosti među regijama mozga. Svaki od pet profila bio je povezan s jedinstvenom organizacijom moždane mreže.
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