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The top quark is very special. It’s the heaviest known elementary particle and therefore strongly interacts with the Higgs boson. The top quark’s interactions with other particles provide promising le...
Physicists detect a hybrid particle held together by uniquely intense “glue”（图）
混合粒子 电子设备 基本粒子
2023/6/9
In the particle world, sometimes two is better than one. Take, for instance, electron pairs. When two electrons are bound together, they can glide through a material without friction, giving the mater...
Nitrogen, an element that is essential for all living cells, makes up about 78 percent of Earth’s atmosphere. However, most organisms cannot make use of this nitrogen until it is converted into ammoni...
Diversity plays a key role in maintaining the stability of plant and animal life. But it's difficult to scale up smaller experiments to understand how changes will impact larger ecosystems.A new study...
Infant planetary systems are usually nothing more than swirling disks of gas and dust. Over the course of a few million years, this gas gets sucked into the center of the disk to build a star, while t...
The LHCb collaboration has recently made the world’s most precise measurement of the lifetime of the B+c meson – a fascinating particle that has both beauty and charm.
Stringing together a picture of superconductors（图）
a picture of superconductors physical behavior
2010/9/21
For decades, physicists have been trying to reconcile the two major theories that describe physical behavior. The first, Einstein’s theory of general relativity, uses gravity — forces of attraction — ...
Glaciers Have Moved Together in Far-Flung Regions--Study Links Climate Fluctuations in North with Tropics（图）
Glaciers Far-Flung Regions Climate Fluctuations North Tropics
2009/12/10
A new study adds evidence that climate swings in Europe and North America during the last ice age were closely linked to changes in the tropics. The study, published this week in the journal Science, ...