搜索结果: 1-15 共查到“国际动态 year after”相关记录100条 . 查询时间(0.281 秒)
Year-round navigation of eastern part of Northern Sea Route planned for 2024(图)
浮动动力装置 北海航线 核动力船
2023/5/19
Fossil evidence of 'hibernation-like' state in 250-million-year-old Antarctic animal(图)
Fossil hibernation-like state 250-million-year-old Antarctic animal
2020/9/4
Hibernation is a familiar feature on Earth today. Many animals -- especially those that live close to or in polar regions -- hibernate to get through tough winter months when food is scarce, temperatu...
Lightning strikes more than 100 million times per year in the tropics(图)
Lightning strikes 100 million times per year tropics
2020/7/31
Scientists at the Smithsonian Tropical Research Institute in Panama have published dramatic maps showing the locations of lightning strikes across the tropics.Based on ground and satellite d...
300-million-year-old fish resembles a sturgeon but took a different evolutionary path(图)
300-million-year-old resembles sturgeon different evolutionary path
2020/7/3
Sturgeon, long-lived, bottom-dwelling fish, are often described as living fossils. Their form has remained relatively constant, despite hundreds of millions of years of evolution.In a National Sc...
Researchers discover 66-million-year-old badger-like animal(图)
Researchers 66-million-year-old badger-like animal
2020/5/9
In evolutionary terms, islands are the stuff of weirdness. It is on islands where animals evolve in isolation, often for millions of years, with different food sources, competitors, predators, and par...
Zoom media briefing:The Event Horizon Telescope, a year after capturing the image of a black hole(图)
Zoom media briefing Event Horizon Telescope year after capturing the image black hole
2020/4/10
Media are invited to join an April 10 Zoom media briefing with Sheperd S. Doeleman, founding director of the Event Horizon Telescope (EHT), and astrophysicist Michael Johnson to discuss the one-year a...
Striking 20-year grasshopper declines tied to quality of prairie grasses(图)
20-year grasshopper declines tied quality prairie grasses
2020/3/13
A new study shows that grasshopper numbers have declined more than 30% in a Kansas grassland preserve over the past two decades. The results were published in the journal Proceedings of the Natio...
3.8-million-year-old fossil cranium unveils more about human ancestry(图)
3.8-million-year-old fossil cranium human ancestry
2019/10/18
In 2016, researchers working in the Afar region of Ethiopia, some 35 miles away from Hadar, the region in which "Lucy," the famous Australopithecus afarensis human ancestor, was found, discovered a ne...
How much water flows into agricultural irrigation?New study provides 18-year water use record(图)
water flows agricultural irrigation 18-year water record
2017/10/26
Irrigation for agriculture is the largest use of fresh water around the globe, but precise records and maps of when and where water is applied by farmers are difficult to locate. Now a team of researc...
Carbon Feedback from Forest Soils will Accelerate Global Warming,26-Year Study Projects
Carbon Feedback Forest Soils Accelerate Global Warming 26-Year Study Projects
2017/10/25
After 26 years, the world’s longest-running experiment to discover how warming temperatures affect forest soils has revealed a surprising, cyclical response: Soil warming stimulates periods of abundan...
Researchers Successfully Predict Multi-Year U.S. Drought and Fire Conditions(图)
Researchers Multi-Year U.S. Drought Fire
2017/9/1
The next mega-droughts and subsequent active wildfire seasons for the western U.S. might be predictable a full year in advance, extending well beyond the current seasonal forecast and helping segments...
In a drought,over-irrigated lawns lose 70 billion gallons of water a year
In a drought over-irrigated lawns lose 70 billion gallons water a year
2017/7/20
In the summer of 2010, Los Angeles lost about 100 gallons of water per person per day to the atmosphere through evaporation, mostly from overwatering of lawns and trees.Lawns accounted for 70 percent ...