Tag #Science

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zeit.de

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Apr 17, 16:15

Possible Signs of Life Found on Exoplanet K2-18b

An international team using the James Webb Space Telescope detected dimethyl sulfide and dimethyl disulfide in the atmosphere of exoplanet K2-18b, 124 light-years away, suggesting potential evidence of life; however, further confirmation is needed.

Possible Signs of Life Found on Exoplanet K2-18b

An international team using the James Webb Space Telescope detected dimethyl sulfide and dimethyl disulfide in the atmosphere of exoplanet K2-18b, 124 light-years away, suggesting potential evidence of life; however, further confirmation is needed.

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How does the concentration of these compounds on K2-18b compare to Earth, and what are the potential implications of this difference for the type and scale of life that might exist there?

The discovery builds upon previous findings of water, methane, and carbon dioxide in K2-18b's atmosphere. The detection of DMS was initially observed in near-infrared wavelengths and is now confirmed in mid-infrared, strengthening the evidence. The concentration of these compounds on K2-18b would be thousands of times greater than on Earth, raising questions about the nature and scale of potential life forms.

news.sky.com

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Apr 17, 16:15

Lab-Grown Chicken Breakthrough: 10-Gram Meat Pieces Achieved

Japanese scientists have created 10-gram pieces of lab-grown chicken meat, up to 2cm long and 1cm thick, using hollow fibers to deliver nutrients, marking a significant breakthrough in cultivated meat production.

Lab-Grown Chicken Breakthrough: 10-Gram Meat Pieces Achieved

Japanese scientists have created 10-gram pieces of lab-grown chicken meat, up to 2cm long and 1cm thick, using hollow fibers to deliver nutrients, marking a significant breakthrough in cultivated meat production.

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Zero Hunger

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What is the significance of Japanese scientists' success in growing larger pieces of lab-grown chicken meat?

Japanese scientists have successfully grown 10-gram chicken meat pieces, up to 2cm long and 1cm thick, in a lab using a novel method involving fine hollow fibers mimicking blood vessels. This surpasses previous limitations in cultivated meat production, achieving a texture and structure similar to real meat.

dw.com

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Apr 17, 16:15

Potential Biosignatures Detected on Exoplanet K2-18 b

On April 16th, scientists announced potential biosignature detection on K2-18 b, an exoplanet 120 light-years away, using the James Webb Space Telescope; however, further research is needed to confirm the presence of life.

Potential Biosignatures Detected on Exoplanet K2-18 b

On April 16th, scientists announced potential biosignature detection on K2-18 b, an exoplanet 120 light-years away, using the James Webb Space Telescope; however, further research is needed to confirm the presence of life.

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What specific chemical gas traces were detected on K2-18 b, and what is their significance in the search for extraterrestrial life?

A team of scientists announced potential evidence of life on K2-18 b, an exoplanet 120 light-years from Earth. They detected chemical gas traces typically produced by biological processes on Earth, using the James Webb Space Telescope. However, researchers stress this is preliminary evidence, requiring further investigation to confirm the presence of life.

gr.euronews.com

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Apr 17, 22:11

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected potential biosignatures—dimethyl sulfide and dimethyl disulfide—in the atmosphere of exoplanet K2-18b, 124 light-years away, using data from the Webb telescope, though further research is needed for confirmation.

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected potential biosignatures—dimethyl sulfide and dimethyl disulfide—in the atmosphere of exoplanet K2-18b, 124 light-years away, using data from the Webb telescope, though further research is needed for confirmation.

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What are the limitations and challenges in confirming the discovery, and what further research is necessary?

The discovery on K2-18b, an exoplanet eight times the mass of Earth, located in its star's habitable zone, involves compounds (dimethyl sulfide and dimethyl disulfide) that strongly suggest biological activity. While independent scientists acknowledge the interest, more investigation is needed to rule out alternative explanations for these compounds. This builds on the over 5,500 exoplanets already confirmed, utilizing data from the powerful Webb telescope launched in 2021.

bbc.com

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Apr 17, 04:12

Possible Evidence of Life Found on Distant Exoplanet K2-18b

A Cambridge team using the James Webb Space Telescope found molecules in the atmosphere of the exoplanet K2-18b, 700 trillion miles from Earth, that on Earth are produced by living organisms, suggesting but not proving the possibility of life; this is stronger evidence than previous findings, yet fu...

Possible Evidence of Life Found on Distant Exoplanet K2-18b

A Cambridge team using the James Webb Space Telescope found molecules in the atmosphere of the exoplanet K2-18b, 700 trillion miles from Earth, that on Earth are produced by living organisms, suggesting but not proving the possibility of life; this is stronger evidence than previous findings, yet fu...

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What is the significance of detecting molecules associated with life on K2-18b, and what immediate implications does this finding hold?

A Cambridge team detected molecules in the atmosphere of K2-18b, a planet 700 trillion miles away, that on Earth are produced by simple organisms. This is stronger evidence than previous findings, but more data is needed for confirmation within the next 1-2 years. The detected gas amounts are thousands of times higher than on Earth, suggesting abundant life if the association is confirmed.

cnn.com

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Apr 17, 19:19

Potential Biosignature Detected on Exoplanet K2-18b

A team of astronomers detected potential biosignature molecules, dimethyl sulfide (DMS) and dimethyl disulfide (DMDS), in the atmosphere of exoplanet K2-18b using the James Webb Space Telescope, suggesting the possibility of past or present life, though further observation is needed for confirmation...

Potential Biosignature Detected on Exoplanet K2-18b

A team of astronomers detected potential biosignature molecules, dimethyl sulfide (DMS) and dimethyl disulfide (DMDS), in the atmosphere of exoplanet K2-18b using the James Webb Space Telescope, suggesting the possibility of past or present life, though further observation is needed for confirmation...

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What specific chemical signatures were detected on K2-18b, and what is their significance in the search for extraterrestrial life?

Astronomers detected potential biosignature molecules, dimethyl sulfide (DMS) and dimethyl disulfide (DMDS), in the atmosphere of exoplanet K2-18b using the James Webb Space Telescope. These molecules are produced by microbial life on Earth, suggesting possible past or present life on K2-18b. However, confirmation requires further observation and analysis.

corriere.it

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Apr 17, 04:12

Zed Nelson Wins 2025 Sony World Photography Awards for "The Anthropocene Illusion

British photographer Zed Nelson won the 2025 Sony World Photography Awards' Photographer of the Year for "The Anthropocene Illusion", a six-year project exploring humanity's broken relationship with nature across four continents, using artificial environments to highlight our disconnect from and des...

Zed Nelson Wins 2025 Sony World Photography Awards for "The Anthropocene Illusion

British photographer Zed Nelson won the 2025 Sony World Photography Awards' Photographer of the Year for "The Anthropocene Illusion", a six-year project exploring humanity's broken relationship with nature across four continents, using artificial environments to highlight our disconnect from and des...

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What is the central theme of Zed Nelson's award-winning photography series, and what are its immediate implications for environmental awareness?

The Anthropocene Illusion", a six-year project by British photographer Zed Nelson, won the 2025 Sony World Photography Awards' Photographer of the Year (Iris d'Or). The project, spanning four continents, examines humanity's fractured relationship with nature, using artificial environments like zoos and safari parks to illustrate our disconnect from the natural world and the resulting environmental destruction. This year's awards also recognized winners in Open, Student, and Youth categories, showcasing a wide range of photographic talent.

welt.de

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Apr 17, 22:11

Possible Extraterrestrial Life Detected on Exoplanet K2-18b

Astronomers using the James Webb Space Telescope detected Dimethyl Sulfide (DMS) in the atmosphere of K2-18b, a sub-Neptune exoplanet 124 light-years away, suggesting possible extraterrestrial life; however, further research is needed to confirm this finding.

Possible Extraterrestrial Life Detected on Exoplanet K2-18b

Astronomers using the James Webb Space Telescope detected Dimethyl Sulfide (DMS) in the atmosphere of K2-18b, a sub-Neptune exoplanet 124 light-years away, suggesting possible extraterrestrial life; however, further research is needed to confirm this finding.

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What is the significance of detecting Dimethyl Sulfide (DMS) in the atmosphere of exoplanet K2-18b?

Astronomers detected Dimethyl Sulfide (DMS) in the atmosphere of exoplanet K2-18b, 124 light-years away. DMS on Earth is primarily produced by microorganisms, suggesting potential extraterrestrial life. Further research is needed to confirm this.

us.cnn.com

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Apr 17, 22:11

Brisk Walking Linked to Lower Risk of Heart Rhythm Abnormalities

A large study in the journal "Heart" found that brisk walking is associated with a significantly lower risk of heart rhythm abnormalities, including atrial fibrillation, compared to slow walking; the strongest associations were among women and people under 60.

Brisk Walking Linked to Lower Risk of Heart Rhythm Abnormalities

A large study in the journal "Heart" found that brisk walking is associated with a significantly lower risk of heart rhythm abnormalities, including atrial fibrillation, compared to slow walking; the strongest associations were among women and people under 60.

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How does the study account for potential biases in self-reported data and what are the limitations of the observational design?

The study, which followed over 420,000 UK Biobank participants for 13 years, utilized both self-reported and accelerometry data to assess walking pace and its correlation with arrhythmias. The findings indicate that even 5-15 minutes of average-paced walking daily can reduce the risk. This is particularly strong among individuals under 60, those without obesity, and women.

it.euronews.com

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Apr 17, 22:11

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected dimethyl sulfide and dimethyl disulfide in the atmosphere of K2-18b, an exoplanet over twice Earth's size and eight times its mass located 124 light-years away, suggesting the strongest potential sign of life yet discovered outside our solar system.

Potential Biosignatures Detected on Exoplanet K2-18b

Astronomers detected dimethyl sulfide and dimethyl disulfide in the atmosphere of K2-18b, an exoplanet over twice Earth's size and eight times its mass located 124 light-years away, suggesting the strongest potential sign of life yet discovered outside our solar system.

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What specific chemical compounds were detected on K2-18b, and what is their significance in the search for extraterrestrial life?

Astronomers have detected potential chemical signs of life on K2-18b, an exoplanet 124 light-years away. Analysis of data from the James Webb Space Telescope revealed dimethyl sulfide and dimethyl disulfide in the planet's atmosphere—compounds primarily produced by microbial life on Earth. This is considered the strongest potential sign of life found in space to date.

cnn.com

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Apr 17, 19:19

Brisk Walking Significantly Lowers Risk of Heart Rhythm Abnormalities

A large study published in the journal "Heart" found that brisk walking reduces the risk of heart rhythm abnormalities (atrial fibrillation, bradyarrhythmias, and ventricular arrhythmias) by 35-43%, compared to slow walking, with the strongest effects observed in women and individuals under 60 witho...

Brisk Walking Significantly Lowers Risk of Heart Rhythm Abnormalities

A large study published in the journal "Heart" found that brisk walking reduces the risk of heart rhythm abnormalities (atrial fibrillation, bradyarrhythmias, and ventricular arrhythmias) by 35-43%, compared to slow walking, with the strongest effects observed in women and individuals under 60 witho...

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What is the immediate impact of increasing walking pace on the risk of developing heart rhythm abnormalities?

A new study published in the journal "Heart" reveals that brisk walking is associated with a significantly lower risk of heart rhythm abnormalities. Compared to a slow walking pace, average and brisk walking paces were linked to a 35% and 43% reduction in the risk of all studied arrhythmias, respectively. This includes atrial fibrillation, bradyarrhythmias, and ventricular arrhythmias.

npr.org

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Apr 17, 16:15

Stem-Cell Transplants Show Promise in Parkinson's Treatment

Two small studies revealed stem-cell transplants significantly eased Parkinson's symptoms in patients, with one showing a 20-point improvement on a standard scale; the FDA approved one treatment for a final-stage trial before potential approval, offering hope for the 1 million Americans with this di...

Stem-Cell Transplants Show Promise in Parkinson's Treatment

Two small studies revealed stem-cell transplants significantly eased Parkinson's symptoms in patients, with one showing a 20-point improvement on a standard scale; the FDA approved one treatment for a final-stage trial before potential approval, offering hope for the 1 million Americans with this di...

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What were the key scientific and technological hurdles overcome to achieve these stem-cell transplantation results?

Stem-cell transplants, derived from either human embryonic stem cells or induced pluripotent stem cells, produced dopamine and alleviated symptoms. Success follows decades of research, overcoming challenges in producing the right type of dopamine-producing neurons and scaling up cell production for clinical use. This marks a potential breakthrough after previous fetal tissue transplants yielded mixed results.

Showing 205 to 216 of 3,731 results