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第1969期:Giant stone artefacts found on rare Ice Age site
Episode 614
At almost a foot long, researchers say the knapped-shaped stone axe heads, thick at the base and tapering to a finer point, would have been so heavy …
2 years, 5 months ago
第1968期:Scientists grow whole model of human embryo, without sperm or egg
Episode 615
We all start as a single egg fertilised by a sperm, but those steps, going from a group of cells to something you can see and recognise on a baby sca…
2 years, 5 months ago
第1968-a期:Japanese Women Drawn to Rickshaw Pulling
Episode 616
Rickshaw comes from a Japanese word that means “human-powered vehicle.” The vehicle was first used in 19th-century Japan and then in other Asian coun…
2 years, 5 months ago
第1967期:Paris Once Had Too Many Cars, Now It Has Too Many Bikes
Episode 617
Paris mayor Anne Hidalgo has long worked to make her city less dependent on cars. She wanted to see more people using bicycles, or bikes, to get arou…
2 years, 5 months ago
第1966期:Talking to solve friendship problems
Episode 618
Sometimes our friends' behaviour can offend us; sometimes we can see changes they need to make – but how do we tell them? Are there any ways to make …
2 years, 5 months ago
第1965期:Scientists Recover Genetic RNA from Extinct Tasmanian Tiger
Episode 619
Researchers say they have recovered genetic material from the Tasmanian tiger, an Australian animal that has long been extinct. The discovery could h…
2 years, 5 months ago
第1964-m期:Milky Way: Icy observatory reveals ghost particles
Episode 620
Neutrinos, or 'ghost particles' as they're known, are made when cosmic rays that are rattling around space at near light speed, smash into other matt…
2 years, 5 months ago
第1964期:Aspartame: possible cancer cause
Episode 621
The WHO says it has listed aspartame as possibly carcinogenic on the basis of limited evidence that it may increase the risk of liver cancer. This pl…
2 years, 5 months ago
第1963期:US Nuclear Research Center Aims to Modernize America’s Atomic Weapons
Episode 622
Los Alamos in the Southwestern American state of New Mexico is where the U.S. government set up its secret mission to develop nuclear weapons during …
2 years, 5 months ago
第1962期:Vermont Town Closes Roads Due to Autumn Leaf-peepers
Episode 623
“Leaf-peepers” are tourists who visit the countryside in the northeastern United States each autumn. “Peeper” means looker, someone who looks.
“赏叶者”是指…
2 years, 5 months ago