Table of Contents January/February 2018

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Discover's 100 top stories of 2017 is jam-packed with the best in science from the past year. From space exploration to medicine, technology, paleontology and environment, we've got every field covered. Highlights include the the Great American Eclipse, science under Trump, ancient trackways, new planets and "living drugs."
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Cellular Atlas Paves Way for Precision Medicine
Scientists catalog genetic expression of every type of cell in a tiny worm.
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Famous Galaxy Hosts Bonus Black Hole
Pair in Cygnus A will eventually merge.
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When Did Life Appear?
Oldest discovered microfossils date back to the beginning of life on Earth.
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Curiosity Killed the Cat — But Ancient DNA Revealed Its Backstory
Their history is often associated with ancient Egypt, but their origin is placed elsewhere.
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Football’s Latest Injury Report
Largest study of its kind shows how pervasive CTE is among former players.
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24-Hour Watch
The sentinel hypothesis — the idea that some members of a group stay awake to protect everyone else — is confirmed in humans.
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Valhalla or Bust
Prized artifacts are recovered from Viking Age graves in Iceland.
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Ticking Time Crystals
Atoms in a weird, new phase of matter move in a pattern that repeats in time rather than in space.
#76
Lost Flight’s Legacy: Stunning Seafloor Maps
Search for Malaysia Airlines flight 370 leads to high-resolution images.
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To The Moon and Back
An astronaut’s loving tribute is finally acknowledged.
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Super Solar Speeds

A peek inside the sun tells us how fast its core is spinning.

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Going Deep
Brain stimulation technique activates buried neurons without needing to perform risky surgery.
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Scan Is Fast and Budget-Friendly
Group finds an economical way to create a 3-D image of famed dinosaur's jaw.
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Roman Neighborhood, Frozen in Time
Archaeological dig turns up well-preserved finds, ranging from wine jugs to multistory houses.
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Do You Need a Brain to Sleep?
Jellyfish show the same behavioral traits of slumber.
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Fetuses Track Facelike Shapes
Researchers determine fetal reaction by shining red dots through the womb.
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Breathless Wonders
Naked mole rats metabolize glucose to survive long stretches without oxygen.
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A New Look at Mega-Eruptions
Documenting large fractures in Earth's crust helped create new map of world-altering eruptions.
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Zika Kills Brain Cancer Cells
Ill-famed virus could be effective against cells that cause glioblastoma.
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Sweet Science: A Cross-Cultural Marshmallow Test
Western and non-Western kids participate in a classic psychology experiment.
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I Saw the Sign
Low-cost gloves translate American Sign Language into text.
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Metal-organic mesh can draw out close to a gallon a day, without using electricity.
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Our Oldest Ancestor
Tiny deuterostome is close to 540 million years old.
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Music to My Brain
Neurologist creates a device that translates electrical brain activity into a musical scale.
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The Moon's Magnetic Personality
Rock shows that our satellite's magnetic field lasted a lot longer than we thought.
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Watery Weirdness
By adjusting temperature and pressure, H20 can exist in two liquid states.
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Does This Dust Make Me Look Fat?
Small amounts of house dust containing common environmental pollutants can cause fat cells to proliferate.
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Sniffing Out the Truth
Who said humans have a poor sense of smell? A neuroscientist gets to the bottom of the myth.
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Human-Caused Minerals Make Case for New Epoch
Newly compiled list adds more evidence that we're in the "age of humans."
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Tubular Technology
Snakelike robot moves around by turning itself inside out.
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Birds' Egg Shapes Egg-splained
Flight ability appears to determine whether they're pointy, round or elongated.
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The First Bud
Scientists model what the ancestral flower looked like 140 million years ago.
#100
Century-Old Pentagon Mystery Solved
Computer algorithm closes the book on an old tiling puzzle.
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