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Věda a technika - Hlavní události ve vědě - Ekologie - 25. června 2019

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Strana: 1/ 4 Celkem nalezeno 40 záznamů.

'Flying salt shakers of death:' Fungal-infected 'zombie' cicadas


Cicadas can carry a fungus containing chemicals similar to those found in hallucinogenic mushrooms, making them zombie-like fliers. Číst dále >>> Přeložit do en

Cyanide compounds discovered in meteorites may hold clues to the origin of life


Compounds containing iron, cyanide, and carbon monoxide discovered in carbon-rich meteorites by scientists may have helped power life on early Earth. Číst dále >>> Přeložit do en

Research reveals exotic quantum states in double-layer graphene


Researchers have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional quantum Hall effect, arise from the complex interactions of electrons both within and across graphene layers. Číst dále >>> Přeložit do en

Activists go on birth strike over ‘climate change’ to force government ‘action’


Founder of 'Birthstrike' Blythe Pepino appears on CTV's Your Morning, Monday, June 24, 2019. “I’m lucky enough to have a certain amount of power in this world. I’m white and privileged and I don’t have any children. I don’t have any dependents. And really, this next few years is really, really important in terms of trying to put pressure on our governments to make the big changes that we need for our survival.” Pepino says she made the difficult decision not to give birth after the United Nations International Panel on Climate Change warned last year that the window to prevent catastrophic climate change on Earth is just 11 years. Číst dále >>> Přeložit do en

Climatologist Dr. Judith Curry to Congress: Claim ‘that extreme weather events are now more frequent or intense, caused by AGW, is symptomatic of ‘weather amnesia’


Dr. Curry: "I’ve devoted four decades to conducting research related to extreme weather events and climate change. As President of Climate Forecast Applications Network, I’ve been helping decision makers use weather and climate information to reduce vulnerability to extreme events. The paradox of weather disasters is that they are at the same time highly surprising, as well as quite predictable. We shouldn’t be surprised by extreme weather events when comparable events have occurred during the past century. The sense that extreme weather events are now more frequent or intense, caused by manmade global warming, is symptomatic of ‘weather amnesia.’ The devastating impacts in 2017 from Hurricanes Harvey, Irma and Maria invoked numerous alarming statements about hurricanes and global warming. However, it’s rarely mentioned that 2017 broke an 11-year drought in U.S. major hurricane landfalls. This major hurricane drought is unprecedented in the historical record. Of the 13 strongest U.S. landfalling hurricanes in the historical record, only three have occurred since 1970 (Andrew, Michael, Charley). Four of these strongest hurricanes occurred in the decade following 1926. Recent international and national assessment reports acknowledge that there is not yet evidence of changes in the frequency or intensity of hurricanes, droughts, floods or wildfires that can be attributed to manmade global warming. Číst dále >>> Přeložit do en

Team studies binaries to make heads or tails of planet formation


A team studied the orientation of distant solar system bodies to bolster the 'streaming instability' theory of planet formation. Číst dále >>> Přeložit do en

Hubble finds tiny 'electric soccer balls' in space, helps solve interstellar mystery


Scientists have confirmed the presence of electrically-charged molecules in space shaped like soccer balls, shedding light on the mysterious contents of the interstellar medium (ISM) -- the gas and dust that fills interstellar space. Číst dále >>> Přeložit do en

Development of ice controlling tech using pressure


Scientists have succeeded in creating room-temperature ice and controlling its growth behaviors by dynamically compressing water up to pressures above 10,000 atmospheres. Číst dále >>> Přeložit do en

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