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Reddit

8h

Many believed that rise in opioid use was driven by demand for painkillers. But researchers now show that these demand-side factors were not sufficient to explain four-fold increase in opioid prescriptions and deaths. Increase in opioid use can better be explained by growth in the supply of pills.

5.9k points 502 comments

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Reddit

17h

Why is copper antimicrobial? Like, on a fundamental level

3.34k points 362 comments

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Reddit

23h

NASA’s James Webb Space Telescope Fully Fueled for Launch – James Webb Space Telescope

16k points 693 comments

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Reddit

4h

Dogs understand 89 words on average, study reveals. Due to their evolutionary history and close association with humans, domestic dogs have learned to respond to human verbal and nonverbal cues at a level unmatched by other species

685 points 67 comments

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Reddit

4h

A grape seed extract chemical destroys aged cells, causing partial age reversal with increased physical resilience, improved anti-cancer response to chemotherapy, and increased healthspan in old mice

645 points 39 comments

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Reddit

22h

More than half of young American adults ages 18-25 are either overweight or obese. The number of overweight young adults has increased from roughly 18% in the late 1970’s to almost 24% in 2018

24.6k points 2.71k comments

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Reddit

1d

If there are two identical rockets in vacuum, one stationary and one somehow already moving at 1000kmh, and their identical engines are both ignited, would they have the same change in velocity?

2.27k points 238 comments

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Reddit

3h

Like a natural system, democracy faces collapse as polarization leads to loss of diversity

169 points 18 comments

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Reddit

1h

Mixing COVID-19 vaccines, with Pfizer or AstraZ as the first shot and Moderna as the second shot provides significantly higher immune response than two doses of the same vaccine, finds major study by Oxford University

111 points 25 comments

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Reddit

5h

Why do mosaic humans not get attacked by their own immune system?

22 points 9 comments

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Reddit

12h

Harvard scientists observe new state of matter, a quantum spin liquid An exotic state of matter originally hypothesized almost 50 years ago has been observed for the first time. Created by Harvard researchers, this material called quantum spin liquid could eventually help improve quantum computers.

660 points 28 comments

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Reddit

3h

Today 26 years ago space probe Galileo orbits Jupiter after using the slingshot method to get there

38 points 3 comments

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Reddit

3h

In almost all countries, a research team found a link between not using television as a source of information and refusing vaccination. In Poland, Sweden and the USA, the use of social media as a source of information contributed to people being more likely to reject vaccination.

105 points 31 comments

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Reddit

20h

China is rapidly becoming a 'tremendous threat' in the solar system, says US Space Force leader

791 points 371 comments

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Reddit

1d

Stem cell-based treatment produces insulin in patients with Type 1 diabetes

21k points 370 comments

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Reddit

2h

Hubble telescope traces a spiral galaxy to chart our universe's expansion

29 points 0 comments

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Reddit

20h

Cataracts and dementia: People who undergo eye surgery have lower risk of brain condition. People who have cataracts can reduce their risk of developing dementia by about 30 per cent by undergoing surgery to restore their sight, although it’s not clear why.

1.93k points 89 comments

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Reddit

24h

New type of earthquake discovered by a Canadian-German research team. Unlike conventional earthquakes of the same magnitude, they are slower and last longer. The events are a new type of induced earthquake that have been triggered by hydraulic fracturing, a method used for oil and gas extraction.

4.02k points 147 comments

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Reddit

1h

How long take for an atom whose electrons have ascended to a higher orbit due to light absorption to go back in a ground state?

7 points 7 comments

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Reddit

1d

Evidence emerges for dark-matter free galaxies. A team of astronomers has found no trace of dark matter in the galaxy AGC 114905, despite taking detailed measurements over a course of 40-hours with state-of-the-art telescopes. The galaxy in question is about 250 million light-years away.

1.24k points 94 comments

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Reddit

9h

NASA selects 10 new astronaut recruits to train for future missions | With the addition of these 10 members of the 2021 astronaut candidate class, NASA now has selected 360 astronauts since the original Mercury Seven in 1959

72 points 0 comments

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Reddit

2h

Atlas V rocket launches NASA laser communications prototype and Space Force experiments into orbit

18 points 3 comments

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Reddit

15h

NASA says SpaceX is only provider so far able to provide astronaut taxi rides - The company received three more mission orders for Crew Dragon as Boeing Starliner works to get off the ground.

145 points 33 comments

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Reddit

1h

Marijuana may make sleep worse, especially for regular users, study finds

40 points 61 comments

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Reddit

21h

Univ. of Washington researchers to test psilocybin in healthcare workers affected by pandemic

1.19k points 64 comments