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Novosti: Ekologija.hr
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How growing up in ‘Chemical Valley’ inspired lawyer to sue industry she used to work for
Hélène Duguy is taking on companies accused of failing to stop Pfas pollution in the area of France she calls home
The factories were just part of the landscape for Hélène Duguy growing up in the heart of an area known as France’s “Chemical Valley”.
“Those factories are visible from my mother’s apartment,” says Duguy, 34, whose mother still lives in St-Genis-Laval, south of Lyon.
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Air conditioning push favoured over emissions cuts in six European nations, survey finds
Poll also finds sizeable majorities who believe it should be easier to install air con in homes
Given the choice, more people across six major European nations including the UK favour encouraging the adoption of air conditioning over keeping carbon emissions down, a survey has found.
After four extreme heatwaves that have caused thousands of excess deaths across the continent, the survey showed between 30% and 52% of people in six countries had feared for their household’s health in temperatures close to or above 40C (104F).
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How do you vaccinate 1,000 tiny penguins against bird flu in the wild? It’s ‘really tricky’ but there is a way
Phillip Island’s ‘iconic’ little penguins get first bird flu vaccinations in what is thought to be largest program of its kind
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More than 1,000 little penguins have received their first dose of bird flu vaccine in Victoria, in what is believed to be the world’s largest vaccination program involving wild birds.
Catherine Basterfield, the chief executive of Phillip Island Nature Parks, said vaccinations began early last week and were ramping up.
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Wild beaver kits born in Norfolk for first time in more than 500 years
Pair are offspring of two beavers who mysteriously arrived in Pensthorpe nature reserve near Fakenham in December
Wild beaver kits have been born in Norfolk for the first time in more than 500 years.
The pair of newborns are the offspring of two free-living beavers who mysteriously arrived in Pensthorpe nature reserve near Fakenham in December.
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Country diary: South Wales’s summer of fires will linger long in the memory | Eben Muse
Tylorstown, Rhondda Valley: These coal areas are shaped by fire and ash. I find a high point to try and survey the damage
My friend John and I are climbing Tylorstown Tip – a summit also known as Old Smokey, named after the hot ash it was partly made with. We want to see how much of south Wales has burned.
The tip towers over the surrounding hills, a perfect crow’s nest from which to witness the blackening of the region. From the summit, with its sitka spruce and flowering heather, the expanse of St Gwynno’s forest spreads out before us, all 6,533 acres of it. Browned, dead plantation forestry gives way to grassland burned to cinder. A veil of smoke lies above the forest for miles.
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‘I love it. It’s hope’: the mysterious self-willed wildflower meadow that seeded itself
Farmer Derek Sayer let a boggy field run wild and just one annual hay-cut has led to remarkable biodiversity
Tucked away on a country lane, a small field bursts with yellow and pink flowers. Quail and whitethroats call from the thick hedges and the plants, including common centaury, yellow rattle and marsh and common spotted orchids, bounce with hoverflies and butterflies.
More than 150 plant species have been recorded on Sayer’s Old Meadow, in north Norfolk, England, which is remarkable when there was just one – oilseed rape – growing there 21 years ago.
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London’s low emission zone is working – so why are cities around the world so cautious about clean air?
Similar initiatives have been launched from Barcelona to Bogotá, but they have misinformation, political pressure and vested interests stacked against them
Ten years ago, Alastair Harper was an advocate for young people’s health sitting in a stuffy meeting room in London planning an air pollution campaign. “My phone started buzzing,” he said. “I took the call, and then told the room I needed to leave immediately.
“I had to get to UCLH [one of London’s major hospitals]. My own child was headed there in a blue-lit ambulance because she was struggling to breathe London’s toxic air.”
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Devastation, doubt and blame: Hurricane Helene looms over North Carolina’s US Senate race
The Democratic and the Republican candidate each blame the other for the bungled recovery effort after storm struck region
Two years after North Carolina suffered the worst natural disaster in its history when Hurricane Helene struck the state’s western half, life in the hardest-hit areas appears back to normal. Downtowns are lively, blocked roads have been reopened and rivers are flowing below their banks.
But the telltale evidence of the disaster’s expensive impacts can still be seen – from “for rent” signs in storefronts whose businesses never came back to debris from the storm still lurking in some waterways. And in the race for North Carolina’s US Senate seat, it’s almost as if the hurricane never left.
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No fridge, no fans, just blocks of ice: improvising to survive in Pakistan’s searing heat
With limited electricity and poor ventilation, many families in Nasirabad have little to shield them from temperatures of up to 50C
As the first light reaches Nasirabad, a queue of men, women and children has already formed outside the town’s ice factory, with their buckets, sacks and plastic containers. Among those hoping to buy some ice to help their families endure another scorching day is 12-year-old Taimoor, in his school uniform. He says it is his most important task of the day.
“If I do not bring the ice, how will we endure the heat at home?” he says. “And how will we drink water that feels as though it is boiling?”
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If all car tyres were filled with CO2, would this cut atmospheric carbon significantly?
The long-running series in which readers answer other readers’ questions probes an intriguing scientific question in relation to the climate emergency
Readers reply: Is it inevitable that consumerism will literally fill up the planet?
If all the vehicles on the planet had their tyres pumped up with CO2, would this lock up enough carbon to lower the amount in the air significantly? Would there be other issues, such as the carbon cost of trapping it all into the tyres? Chris Coldwell, Lancaster
Post your answers (and new questions) below or send them to[email protected]. A selection will be published next Sunday.
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Novosti: Cybermed.hr
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Mehanizmi dijabetesa tipa 2 značajno se razlikuju ovisno o ITM-u pacijenta
Novo istraživanje otkriva da se dijabetes tipa 2 manifestira na dva fundamentalno različita načina ovisno o indeksu tjelesne mase (ITM) pacijenta. Dok je dijabetes tipa 2 kod pacijenata s višim ITM-om prvenstveno uzrokovan inzulinskom rezistencijom, studija pokazuje da je kod osoba s nižim rasponom ITM-a stanje uzrokovano gušteračom koja ne proizvodi dovoljno inzulina. Unatoč tim suprotstavljenim biološkim mehanizmima, medicinski stručnjaci trenutno liječe obje skupine potpuno istim lijekovima.
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Poremećena moždano-imunološka signalizacija može pomoći u poticanju neurodegeneracije
Povijesno gledano, imunološka disregulacija često se smatrala posljedicom neurodegenerativnih poremećaja. Međutim, nedavne studije počinju mijenjati ovaj znanstveni način razmišljanja, sugerirajući da poremećena komunikacija između mozga i imunoloških stanica također može doprinijeti nastanku i napredovanju bolesti. Znanstvenici opisuju imunološku disfunkciju kao uzrok neurodegeneracije, što znači da može stupiti u interakciju s neuronskim i glijalnim ranjivostima, a da nužno nije početni okidač.
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Cjepivo s nanočesticama nudi dugotrajnu zaštitu od više sojeva gripe
Novo cjepivo s nanočesticama moglo bi jednog dana pacijentima dati imunitet na gripu s manje odlazaka liječniku i bez da zdravstveni dužnosnici ispravno nagađaju koji će sojevi gripe postati dominantni svake godine.
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Otkriven novi način borbe protiv trostruko negativnog raka dojke
Australski znanstvenici otkrili su obećavajući novi način borbe protiv jednog od najagresivnijih oblika raka dojke, što daje nadu u učinkovitije tretmane za zaustavljanje širenja bolesti. Studija je identificirala molekularni prekidač koji potiče širenje trostruko negativnog raka dojke, podtipa odgovornog za neke od najlošijih ishoda jer mu nedostaju hormonski receptori koji mnoge druge vrste raka dojke čine lječivim postojećim terapijama koje ciljaju te receptore.
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Mlađi pacijenti s rakom pluća pokazuju više ciljanih genetskih promjena
Mlađe odrasle osobe s rakom pluća ne-malih stanica imaju značajno veću vjerojatnost od starijih pacijenata da imaju genetske promjene koje se mogu uskladiti s ciljanim terapijama, tvrdi nova studija.
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Rak debelog crijeva može oštetiti živce prije kemoterapije
Američki znanstvenici otkrili su da u predkliničkim modelima raka debelog crijeva tumori mogu početi oštećivati periferne živce prije početka kemoterapije. Ovi rezultati sugeriraju da upala povezana s tumorom i promjene u metabolizmu masti mogu oštetiti zaštitni omotač oko živaca, poremetivši signale i potencijalno ih čineći osjetljivijima na perifernu neuropatiju ili oštećenje živaca uzrokovano liječenjem.
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Spoj dobiven iz nara obećava u borbi protiv zatajenja srca s očuvanom ejekcijskom frakcijom
Spoj koji se proizvodi u tijelu nakon jedenja nara poboljšava funkciju srca do 80% kod vrste zatajenja srca s ograničenim mogućnostima liječenja, pokazala je britanska studija. Naime, pokazalo se da urolitin A - prirodni spoj koji se proizvodi u tijelu nakon konzumiranja hrane poput nara, oraha i nekih bobičastih plodova - poboljšava sposobnost srca da se opusti, smanjuje ožiljke i sprječava štetno povećanje srca.
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Prehrana bogata antioksidansima povezana s nižim rizikom od raka vrata maternice
U nedavno objavljenom istraživanju pokazalo se da je prehrana bogata antioksidansima povezana s nižim rizikom od raka vrata maternice kod žena. Smatra se, da ovi rezultati sugeriraju da unos antioksidansa u prehrani može igrati potencijalnu ulogu u prevenciji raka vrata maternice.
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Promjene na mozgu otkrivaju Alzheimerovu bolest sedam godina prije pojave plakova
Nova studija sugerira da se Alzheimerova bolest može otkriti snimanjem mozga više od sedam godina ranije nego što se prije pretpostavljalo. Naime, otkrivene su strukturne promjene u mozgu koje se događaju mnogo godina prije nego što se visoke razine amiloid-beta plaka vide na PET snimkama, što je snimanje mozga koje se trenutno koristi za identifikaciju najranijih znakova Alzheimerove bolesti.
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Fluktuacije estrogena preoblikuju moždane veze
Prema rezultatima novog istraživanja, fluktuacije estrogena utječu na mozak, pomažući u preoblikovanju veza između neurona. Pokazalo se da specijalizirana tehnika snimanja nazvana magnetska rezonantna elastografija (MRE) može otkriti mehaničke promjene ovisne o estrogenu u hipokampusu, području mozga uključenom u pamćenje i učenje, tijekom reproduktivnog ciklusa.
Novosti: Biologija.com
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Candid cameras catch a glimpse of rare wildlife
Deep in the mountains of Palawan, Conservation International scientists are capturing what few people ever see: the secret lives of the Philippines’ rarest species.
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How a family farm in the Amazon landed on the world’s best menu
At Maido — the Lima restaurant recently crowned the best in the world — one of the star dishes is paiche, a giant prehistoric river fish.Its journey to the table begins on a small family farm deep in Peru’s Amazon.
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‘A profound loss’: Conservation world mourns Jane Goodall
“Jane Goodall forever changed how people think about, interact with and care for the natural world,” said Daniela Raik, interim CEO of Conservation International.
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Conservation International expert earns global recognition on TIME100 Next
Conservation International’s Neil Vora was selected for TIME’s Next 100 list — alongside other rising leaders reshaping culture, science and society.
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What on Earth is ‘coral bleaching’?
Climate change is happening. And it’s placing the world’s reefs in peril. What can be done?
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Landmark high seas treaty crosses finish line
After decades of negotiation, the high seas treaty is finally reality. The historic agreement will pave the way to protect international waters which face numerous threats.
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News spotlight: Deforestation linked to dramatic decline in Amazon rainfall
The Amazon rainforest, known for lush green canopies and an abundance of freshwater, is drying out — and deforestation is largely to blame.
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5 ways the ocean keeps our climate in check
The ocean is engine of all life on Earth, but human-driven climate change is pushing it past its limits. Here are five ways the ocean keeps our climate in check — and what can be done to help.
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Off Mexico’s coast, divers nab biggest ‘ghost’ yet
In a grueling and delicate dance, a team led by Conservation International removes a massive undersea killer.
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Protect wildlife: Buy a print
They say a picture is worth a thousand words. These pictures might be worth even more. An initiative featuring the work of some of the world’s best nature photographers raises money for environmental conservation.