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Friday, August 23, 2019

How Rosetta’s comet got its shape

Two comets collided at low speed in the early Solar System to give rise to the distinctive ‘rubber duck’ shape of Comet 67P/Churyumov–Gerasimenko, say Rosetta scientists. The origin of the comet’s double-lobed form has been...

How an ‘atlas’ of living organs could save lives

After an accident, a patient was rushed into surgery and, from there, into the intensive care unit, where he was recovering. But, days later, one by one, his organs failed. The patient didn’t survive....

Mountains erode faster when climate changes

For the first time, researchers attempted to measure all the material leaving and entering a mountain range over more than a million years and discovered that erosion caused by glaciation during ice ages can,...

Is your Neanderthal DNA making you depressed?

Since 2010 scientists have known that people of Eurasian origin have inherited anywhere from 1 to 4 percent of their DNA from Neanderthals. The discovery spawned a number of hypotheses about the effects these genetic...

Arsenic attaches to water that’s ‘too pure’

Can water ever be too clean? If the intent is to store it underground, the answer, surprisingly, is yes. In a new study, scientists show that recycled water percolating into underground storage aquifers in Southern...

‘Star Wars’ economics: The Empire needs a bailout

The Galactic Empire, brought to life in the Star Wars movies, was in ruins after the Battle of Endor at the end of Episode VI: Return of the Jedi, a case study shows. The Rebel...

People aren’t petri dishes: Why antibiotics fail

teria are pretty wily creatures. Take for example Salmonella, which are killed by antibiotics in lab tests but can become highly resistant in the body. It is an example of what UC Santa Barbara biologist...

Berkeley’s soda tax does a slow fizzle

A soda tax passed last fall by voters in Berkeley, California, has so far fallen flat. The law, the first such city ordinance in the country, took effect this past March and imposes a penny-per-ounce...

Mom’s health takes back seat when adult child is sick

Older mothers with seriously ill adult children may find it necessary to continue to provide care at a time when they would normally expect to start getting care from others. It’s a situation that can...

‘Tear machine’ might make contact lenses less painful

Engineers have built a device that mimics the surface of the eye in an attempt to make wearing contact lenses all day less irritating. The work was inspired in part by a graduate student’s dry...
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