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Key switchgrass genes identified—could mean better biofuels ahead（图）
switchgrass genes identified biofuels ahead
2021/3/5
Biologists believe they are one step closer to a long-held goal of making a cheap, widely available plant source for energy and fuel. One of the next big weapons in the battle against climate change m...
Fossil pollen samples suggest vulnerability to extinctions ahead（图）
Fossil pollen samples suggest vulnerability extinctions ahead
2020/9/4
Reduced resilience of plant biomes in North America could be setting the stage for the kind of mass extinctions not seen since the retreat of glaciers and arrival of humans about 13,000 years ago, cau...
AHEAD弹对于火炮武器系统跟踪、探测、解算及数据传输的实时性要求较高，目前所采用的CAN总线网络在通讯速率、实时性和网络拓扑灵活性等方面已经无法满足下一代智能化火炮武器系统对AHEAD弹的控制要求。针对此现状，提出了一种基于FlexRay总线的AHEAD弹药系统控制网络，同时介绍了AHEAD弹药系统的工作原理，FlexRay总线在AHEAD弹药炮控系统中应用的软硬件设计方案，与CAN总线的数据传...
New NSF special report released ahead of Earth Day:April Showers Bring … The Science of Spring
New NSF special released ahead of Earth Day April Showers The Science of Spring
2017/4/27
From flowers' microscopic cells to thunderstorms called supercells, researchers funded by the National Science Foundation (NSF) are studying the science of spring. Now, in time for Earth Day, a new NS...
On Dec. 11, 2014, a freight train of a storm steamed through much of California, deluging the San Francisco Bay Area with three inches of rain in just one hour. The storm was fueled by what meteorolog...
Variation of the feedback coefficient with R12 and the geographic latitude in 1-h ahead forecast of f0 F2
forecast feedback critical frequency
2015/9/25
The «prediction» and «forecast» of the critical frequency of the F 2 layer (f0 F2 ) is an important issue for frequency planning in short wave radio communications. In this context...
Extracting the broader lessons concerning climate impacts on marine ecosystems from regional studies in the Northwest Atlantic, Northeast Pacific, and Southern Ocean will be the central challenge faci...
Rapid Climate Change and Climate Surprises:A Look Back and Ahead
Rapid Climate Change Climate Surprises Look Back and Ahead
2015/7/24
One of the great successes of scientific ocean drilling has been the identification of rapid and extreme climate-change events in oceanic sediments. The comprehensive coverage and analytical toolkit a...
Large Igneous Provinces and Scientific Ocean Drilling:Status Quo and A Look Ahead
Large Igneous Provinces Scientific Ocean Drilling Status Quo Look Ahead
2015/7/24
A rich mosaic of disparate crustal types characterizes the Earth beneath the sea. Although "normal" oceanic crust approximately 7-km thick is by far the most prevalent, abnormally thick oceanic-type c...
Experience from three years of local capacity development for tsunami early warning in Indonesia: challenges, lessons and the way ahead
local capacity development tsunami early warning Indonesia challenges lessons the way ahead
2010/10/21
Five years after the 2004 tsunami, a lot has been achieved to make communities in Indonesia better prepared for tsunamis. This achievement is primarily linked to the development of the Indonesian Tsun...
RIPPLE MARKS—THE STORY BEHIND THE STORY | Canyon "Ghost" Critical to Stream Ecosystems: Cougars Act as Guardians of Fish, Frogs • "Wavelet" Math Translates Whale Song into Art • Fire in the Sky, Smoke in the Water: Queen of American Lakes Under Siege from Fireworks Displays? • Jellyfish "Blooms" Signal Ailing Seas Ahead: Jellywatchers Help Scientists Track Locations
Ghost cat cat puma tupi predators habitat
2015/7/7
The ghost cat, it's been called, this feline that roams backcountry from the Yukon to Chile. It has dozens of names, from panther, to puma, to mountain lion. But its best descriptor, perhaps, is couga...
Ancient calculator was 1,000 yrs ahead of its time
astronomi calcalculatormade X-ray tomography
2006/12/1
November 29, 2006，An ancient astronomical calculatormade at the end of the 2nd century BC was amazingly accurate and more complex than any instrument for thenext 1,000 years, scientists said on Wednes...