科学与环境
Tiny fossils reveal a missing chapter of ocean life after Snowball Earth
来源: Phys.org - latest science and technology news stories · 发布于
A rare assemblage of micro- and macro-fossils found in a roadside outcrop in South China, featuring thin ribbons, branching shapes and a tiny balloon on a stalk, offers a glimpse of marine life after one of Earth's most extreme ice ages.
A rare assemblage of micro- and macro-fossils found in a roadside outcrop in South China, featuring thin ribbons, branching shapes and a tiny balloon on a stalk, offers a glimpse of marine life after one of Earth's most extreme ice ages.
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Conservation parks don't have to be vast—as one tiny grasshopper reminds us
A vast stretch of land where animals roam widely and plants grow freely. That's what most people would picture if they thought of a conservation area.
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Scientists created a tiny device that can control your nerves to treat chronic pain
Scientists have developed a tiny, injectable device that can control nerve activity without surgery, batteries, or wires, potentially transforming treatment for chronic pain and movement disorders. Powered wirelessly from outside the body, the seed-sized technology has shown prom
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Animals may have evolved 200 million years earlier than we thought
New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived before or during Snowball Earth, leaving behind little trace because their soft bodie
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Scientists find a surprising clue to why the universe’s expansion doesn’t add up
Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe is expanding. Detailed simulations show that these primordial fields could have changed the formation of hydrogen in the early universe, affecting the
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Major cities worldwide are sinking, satellite data reveal
Land subsidence is the gradual sinking of the ground, which can damage buildings, foundations, and drainage and sewage systems, and may increase flood risks. However, information on land subsidence dynamics remains limited, which makes it difficult for policymakers to identify wh
Phys.org - latest science and technology news stories ·