资讯
It has genes for ribosomes, tRNAs, and mRNAs. These components are the scaffolding of life: the tools by which cells read ...
When we first did it 50 years ago, there were no tools for it.” Unlike the Speedmaster, which was retrofitted for the space ...
Now, researchers at Sweden’s Karolinska Institutet say they’ve found the clearest answer yet. They report the discovery of ...
A new study reveals that humans were extensively using fire to modify landscapes as far back as 50,000 years ago. That’s at ...
The Cambridge team tested 89 strains of bacteria, many of them commonly found in the human gut. They discovered that at least ...
In practical terms, a one standard deviation increase in IQ (about 15 points on the classic scale) led to a nearly 20% ...
This matters. Pain isn’t just a fleeting signal; it can shape long-term brain development. Earlier studies have shown that ...
For more than a century, folklore and cartoons have warned us: eat cheese before bed, and you’re in for a strange night. Winsor McCay’s 1904 comic strip Dream of the Rarebit Fiend famously turned the ...
The system is set up to only strike targets flying under one meter per second. Mosquitoes fly, on average, 1 to 1.5 ...
On a warm summer afternoon, when your throat runs dry, reaching for a glass of water might feel like the most natural thing ...
The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...
More than 4,500 years ago, at the dawn of Egypt’s pyramid age, a man was laid to rest in a ceramic pot. He was then sealed ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果