每周我们都会发现来自世界各地最有趣和最具信息性的文章,这是本周科学界最酷的10个故事。

我们的宇宙是否处在一个膨胀到更高维度的气泡上?A new physics theory says yes.
我们的宇宙是否处在一个膨胀到更高维度的气泡上?A new physics theory says yes.
Credit: Shutterstock

Like a bit of froth on the crest of an ocean wave,our observable universe may be nothing more than a sliver sitting within the edge of a bubble that's constantly expanding into a higher dimension.[Read more about the bubble]

Long ago,glaciers may have bulldozed away hundreds of millions of years of sedimentary rock.Shown here,冰岛斯维纳费尔斯霍库冰川的冰块。
Long ago,glaciers may have bulldozed away hundreds of millions of years of sedimentary rock.Shown here,冰岛斯维纳费尔斯霍库冰川的冰块。
学分:Tim Graham/Getty Images

The Earth is missing some of its crust,and now scientists have a new lead on what's to blame: A lot of glaciers.[Read more about the layers.]

在寺庙遗址,researchers discovered stone sculptures representing skinned skulls,as well as a stone torso.
在寺庙遗址,researchers discovered stone sculptures representing skinned skulls,as well as a stone torso.
Credit: Héctor Montaño/INAH

墨西哥的考古学家说,他们发现了一座专门为锡佩·特克建造的神庙,a god associated with rituals involving skinning sacrificial victims.[Read more about the horrors.]

Blue gas swirls around orange galaxies in this simulation of galaxy formation.Within the blue lines lurk pockets of pristine hydrogen gas,unsullied by the heavy elements released by billions of years of exploding stars.在W.M.工作的科学家Keck Observatory in Hawaii may have just discovered one of these gassy
Blue gas swirls around orange galaxies in this simulation of galaxy formation.Within the blue lines lurk pockets of pristine hydrogen gas,unsullied by the heavy elements released by billions of years of exploding stars.在W.M.工作的科学家Keck Observatory in Hawaii may have just discovered one of these gassy"fossils"of the Big Bang.
Credit: TNG Collaboration

Scientists expect to encounter a lot of strange things in the dark trenches of the universe: Hurricanes of dark matter,screaming skull nebulas and cannibal galaxies slowly devouring each other are all par for the course in our bizarre cosmos.[Read more about the cloud.]

Is the moon really
Is the moon really"a harsh mistress?"(Composite image)
Credit: World Perspectives/Getty Images

中国的嫦娥-4着陆器降落在月球的远侧(1月3 Beijing time,Jan.2 US),船上还有一些生物。[Read more about the mission.]

By mapping historical spy-satellite images to recent aerial photos,researchers can find historical sites that vanished decades ago.
By mapping historical spy-satellite images to recent aerial photos,researchers can find historical sites that vanished decades ago.
Credit: Center for Advanced Spatial vwin快乐彩Technologies,University of Arkansas

When the United States launched its first secret"spy satellites,"in the 1960s,the onboard cameras captured never-before-seen views of Earth's surface.尽管曾被用来揭露美国的重要军事秘密。foes,those now-declassified images recently found a new purpose: providing archaeologists with an important window into the past.[Read more about the images.]

蛛网恐惧症——也就是说,the unreasonable fear of spiders — isn't illegal,but it could still bring the police to your door if you scream loud enough.[了解更多关于恐惧的信息.]

Dark matter,it seems,长期以来一直与星系纠缠在一起。100亿年前存在的大多数星系拥有的暗物质与今天的星系差不多多,contradicting earlier studies that suggested less dark matter lurked around galaxies in the early universe.[Read more about the find.]

The grenade consisted of a hollow iron shell filled with gunpowder,which would have been lit by a fuse that passed through the shell.
The grenade consisted of a hollow iron shell filled with gunpowder,which would have been lit by a fuse that passed through the shell.
Credit: Robert Felce

Ancient hand grenades and cannons from the wreck of a former pirate ship have been found along the coast of Cornwall in the U.K.[Read more about the ship.]

Researchers who analyzed the density of particles called muons found an empty space (shown in this illustration) more than 98 feet (30 meters) long right above the grand gallery of the Great Pyramid — a passageway that leads to what may be the chamber of the pharaoh Khufu.
Researchers who analyzed the density of particles called muons found an empty space (shown in this illustration) more than 98 feet (30 meters) long right above the grand gallery of the Great Pyramid — a passageway that leads to what may be the chamber of the pharaoh Khufu.
Credit: ScanPyramids mission

A new hoard of 1,400 tablets from a lost city in Iraq,new clues to a massive void in the Great Pyramid and the discovery of an ornately decorated Easter egg that belonged to the Russian royal family are just some of the cool archaeological discoveries that we might see in 2019.[Read more about the discoveries.]

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