Climate strike: global climate change protest kicks off in Australia and Pacific – live updates
Cut air pollution to fight climate change - UN
Climate change: Arctic expedition to drift in sea-ice for a year
The global effort to tackle emissions will be debated at the UN Climate Action Summit in New York.
Germany will embed its Polarstern research ship in sea-ice for a year-long study of the climate.
THURSDAY 19. SEPTEMBER 2019
Electric tech could help reverse baldness
Spacewatch: Japan's Hayabusa 2 targets final asteroid landing
Reversing baldness could someday be as easy as wearing a hat, thanks to a noninvasive, low-cost hair-growth-stimulating technology.
NASA analyzes rainfall rates in new Tropical Storm Tapah
Two target markers deployed around Ryugu ahead of lander’s planned descent next month
Japan’s Hayabusa 2 spacecraft has deployed two target markers around asteroid Ryugu. The deployment took place at 5.17pm BST on 17 September from an altitude of 1km. In the minuscule gravity of the asteroid, the unpowered markers are still falling to its surface. They are expected to land sometime over the weekend or early next week at the latest.
The 10cm-wide markers are covered in a highly reflective material that makes them easy to observe from the main spacecraft, which has now risen to a height of 20km (12.4 miles). By tracking their descent, planetary scientists can deduce the precise gravitational field that the asteroid generates, which reveals its internal structure. Hayabusa 2 arrived at Ryugu on 27 June 2018. It has already released three small rovers to the surface and performed two touchdowns to collect surface material. Continue reading...
Electric tech could help reverse baldness
Tropical Storm Tapah formed quickly in the northwestern Pacific Ocean and as it was strengthening from a depression to a tropical storm, the Global Precipitation Measurement mission or GPM core satellite passed overhead from its orbit in space and measured rainfall rates throughout the storm.
Hurricane Nicole sheds light on how storms impact deep ocean
Few things on earth strike fear into the hearts of men more profoundly than hair loss. But reversing baldness could someday be as easy as wearing a hat, thanks to a noninvasive, low-cost hair-growth-stimulating technology developed by engineers at the University of Wisconsin-Madison.
Feeling blue: US woman treated by doctors after blood turned navy
In early October 2016, a tropical storm named Nicole formed in the middle of the Atlantic Ocean. It roamed for six days, reaching Category 4 hurricane status with powerful 140 mile-per hour-winds, before hitting the tiny island of Bermuda as a Category 3.
There are 3 billion fewer birds in North America now than there were in 1970
- Woman, 25, diagnosed with methemoglobinemia
- Doctors say numbing agent for toothache to blame
It turns out that “feeling blue” is not a figure of speech after all.
A 25-year-old woman has given new meaning to the expression after she turned up at a Rhode Island hospital with blood that had turned navy blue. Continue reading...
NASA-NOAA satellite finds Tropical Storm Mario more out of shape
North America has lost nearly 3 billion birds since 1970, a study says. It also found significant population declines among hundreds of bird species.
'Nanochains' could increase battery capacity, cut charging time
NASA-NOAA's Suomi NPP satellite imagery revealed Tropical Storm Mario appeared to be losing its rounded shape in the Eastern Pacific Ocean.
San Francisco's dirtiest street has an outdoor drug market, discarded heroin needles, and piles of poop on the sidewalk
How long the battery of your phone or computer lasts depends on how many lithium ions can be stored in the battery's negative electrode material. If the battery runs out of these ions, it can't generate an electrical current to run a device and ultimately fails.
Linkages between flow regime, biota, and ecosystem processes: Implications for river restoration
Residents of Hyde Street's 300 block report having to hose down urine in front of their offices or hold their breath to avoid the stench of feces.
River ecosystems are highly biodiverse, influence global biogeochemical cycles, and provide valued services. However, humans are increasingly degrading fluvial ecosystems by altering their streamflows. Effective river restoration requires advancing our mechanistic understanding of how flow regimes affect biota and ecosystem processes. Here, we review emerging advances in hydroecology relevant to this goal. Spatiotemporal variation in flow exerts direct and indirect control on the composition, structure, and dynamics of communities at local to regional scales. Streamflows also influence ecosystem processes, such as nutrient uptake and transformation, organic matter processing, and ecosystem metabolism. We are deepening our understanding of how biological processes, not just static patterns, affect and are affected by stream ecosystem processes. However, research on this nexus of flow-biota-ecosystem processes is at an early stage. We illustrate this frontier with evidence from highly altered regulated rivers and urban streams. We also identify research challenges that should be prioritized to advance process-based river restoration.