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American Focus > Blog > Tech and Science > Readers are curious about dark matter, plastics’ effects on pollination and Percy’s selfies
Tech and Science

Readers are curious about dark matter, plastics’ effects on pollination and Percy’s selfies

Last updated: October 19, 2024 9:10 pm
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Readers are curious about dark matter, plastics’ effects on pollination and Percy’s selfies
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The latest issue of Science News is packed with fascinating discoveries and insights into the world of science. From dark matter experiments to the potential impact of microplastics on pollination, there is no shortage of intriguing topics to delve into. Let’s take a closer look at some of the highlights from the recent issue.

Dark Matter Experiments:
Two dark matter experiments have recently observed signs of neutrinos interacting with atomic nuclei in their detectors. This discovery poses a potential obstacle for the detectors, as reported by Emily Conover in the article ” ‘Fog’ invades dark matter experiments.” The detectors in question scan for dark matter’s interactions with the nucleus of a xenon atom. But how does this work, considering that dark matter is believed to interact with normal matter only through gravity?

According to Conover, while scientists have so far only detected dark matter through gravitational interactions with normal matter, there is a possibility that dark matter could interact through other forces, such as the weak nuclear force. These detectors are designed to pick up on such interactions, which could shed light on the elusive nature of dark matter.

Additionally, a reader named Robert Walty raised a question about how a neutrino, which is much smaller than a proton, could collide with an entire atomic nucleus. Conover explains that subatomic particles behave like waves rather than billiard balls, and if a particle’s wavelength is longer than an atom’s nucleus, it will interact with the nucleus as a whole. In the case of a neutrino striking a nucleus, the interaction occurs through another particle called a Z boson, which the neutrino exchanges with the nucleus, causing the entire nucleus to recoil as one.

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Pollination and Plastics:
Another intriguing topic covered in the issue is the potential impact of microplastics on pollination. Anna Gibbs reported in “Pollination via static electricity” that the electrostatically charged wings of moths and butterflies could potentially attract pollen from flowers without the need for landing on the blooms. However, reader Michael Skinner raised a concern about whether this static electricity could also attract microplastics and interfere with pollination.

Ecologist Sam England from the Natural History Museum in Berlin suggests that microplastics, being electrostatically charged, could indeed be attracted to pollinators with the opposite charge, potentially disrupting pollination. Additionally, microplastics are known to interfere with various biological processes in plants, although the full extent of these effects is yet to be determined through further research.

Portraits of a Rover:
Lastly, NASA’s Perseverance rover made headlines for possibly uncovering evidence of ancient life on Mars, as reported by Lisa Grossman in “Mars rover finds a major surprise.” Readers were curious about how the rover, affectionately nicknamed Percy, captured the striking self-portrait featured in the story.

The process of capturing Percy’s “selfies” involves a team effort, with the rover’s WATSON camera primarily designed for close-up shots of rocks. Engineers on Earth direct Percy to take multiple photos of itself from different angles, which are then processed and assembled into a complete image using specialized software.

In conclusion, the latest issue of Science News offers a glimpse into the cutting-edge research and discoveries shaping our understanding of the world around us. From dark matter mysteries to the potential implications of microplastics, the articles in this issue provide valuable insights into the diverse and complex field of science.

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TAGGED:curiousDarkeffectsMatterPercysPlasticspollinationReadersselfies
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