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Mathematician reveals world’s oldest example of applied geometry
land survey Creating right angles Si.427 trigonometric function
2021/8/10
A scientist has revealed that an ancient clay tablet could be the oldest and most complete example of applied geometry. The surveyor's field plan from the Old Babylon period shows that ancient mathema...
World's oldest DNA reveals how ice age mammoths evolved（图）
World oldest DNA ice age mammoths evolved
2021/3/5
An international research team has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The results are published in the journal Nature.The analyses,...
New view of nature's oldest light adds fresh twist to debate over universe's age（图）
New view nature oldest light adds fresh twist debate over universe's age
2020/7/31
From a mountain high in Chile's Atacama Desert, astronomers at the U.S. National Science Foundation's Atacama Cosmology Telescope (ACT) have taken a fresh look at the oldest light in th...
Largest, oldest Maya monument suggests importance of communal work（图）
Largest oldest Maya monument suggests importance communal work
2020/6/19
From the ground, it's impossible to tell that the plateau underfoot is something extraordinary. But laser imaging and radiocarbon dating revealed a huge structure, which turned out to be the largest a...
Scientists find oldest-known fossilized digestive tract — 550 million years（图）
Scientists oldest-known fossilized digestive tract 550 million years
2020/1/19
A 550-million-year-old fossilized digestive tract found in the Nevada desert could be a key to understanding the early history of animals on Earth.More than a half-billion years ago, life on Earth con...
Using Powerful New Telescope,Astronomers Confirm Observing One of the Oldest Objects in the Universe（图）
Powerful New Telescope Astronomers Observing One of the Oldest Objects the Universe
2017/11/23
Astronomers using the Large Millimeter Telescope (LMT), which is operated jointly by the University of Massachusetts Amherst and Mexico’s Instituto Nacional de Astrofísica, óptica y Electrónica, repor...
Scientists find world’s oldest fossil mushroom（图）
Scientists world’s oldest fossil mushroom
2017/7/21
Roughly 115 million years ago, when the ancient supercontinent Gondwana was breaking apart, a mushroom fell into a river and began an improbable journey. Its ultimate fate as a mineralized fossil pres...
Oldest buckthorn fossilized flowers found in Argentina
Oldest buckthorn fossilized flowers Argentina
2017/7/20
Around 66 million years ago, at the end of the Cretaceous period, a giant asteroid crashed into the present-day Gulf of Mexico, leading to the extinction of the non-avian dinosaurs. How plants were af...
The world’s oldest farmers
The world oldest farmers
2016/7/4
The team, led by James Cook University’s Associate Professor Eric Roberts, discovered the oldest known example of fungus gardens within fossil termite nests from the Great Rift Valley of Africa in 25 ...
Researchers discover oldest evidence of 'farming' --by insects
Researchers oldest evidence farming insects
2016/7/4
The team, led by Eric Roberts of James Cook University along with researchers from Ohio University, discovered the oldest known examples of "fungus gardens" in 25 million-year-old fossil termite ...
Cosmologists have made the most sensitive and precise measurements yet of the polarization of the cosmic microwave background.
The report, published October 20 in the Astrophysical Journal, marks an ...
Cosmologists have made the most sensitive and precise measurements yet of the polarization of the cosmic microwave background.
The report, published October 20 in the Astrophysical Journal, marks an ...
Oldest pterodactyloid species discovered, named by international team of researchers
Oldest pterodactyloid species discovered named by international team of researchers
2014/5/13
WASHINGTON—An international research team, including a George Washington University (GW) professor, has discovered and named the earliest and most primitive pterodactyloid—a group of flying reptiles t...
With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how the planet became habitable to life about 4.4 billion years agcrust o is coming into sh...
Understanding the Oldest White Dwarfs: Atmospheres of Cool WDs as Extreme Physics Laboratories
Solar and Stellar Astrophysics (astro-ph.SR) Materials Science (cond-mat.mtrl-sci)
2010/12/27
Reliable modeling of the atmospheres of cool white dwarfs is crucial for understanding the atmospheric evolution of these stars and for accurate white dwarfs cosmochronology. Over the last decade {\it...