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ScienceDaily: Top Science News |
| No signs (yet) of life on Venus Posted: 14 Jun 2022 09:26 AM PDT The unusual behavior of sulphur in Venus' atmosphere cannot be explained by an 'aerial' form of extra-terrestrial life, according to a new study. |
| Cats' strange reactions to catnip make it a better insect repellent Posted: 14 Jun 2022 09:26 AM PDT Anyone who has seen a cat experience catnip knows that it makes them go a bit wild -- they rub in it, roll on it, chew it, and lick it aggressively. It is widely accepted that this plant, and its Asian counterpart, silvervine, have intoxicative properties, but this might not be the only reason that cats rub on and chew the plants so enthusiastically. Researchers have found that when cats damage catnip, much higher amounts of strong insect repellents are released, indicating that the cats' behavior protects them from pests. |
| Stress accelerates immune aging, study finds Posted: 13 Jun 2022 12:06 PM PDT Stress -- in the form of traumatic events, job strain, everyday stressors and discrimination -- accelerates aging of the immune system, potentially increasing a person's risk of cancer, cardiovascular disease and illness from infections such as COVID-19, according to a new study. The research could help explain disparities in age-related health, including the unequal toll of the pandemic, and identify possible points for intervention. |
| Scientists provide explanation for exceptional Tonga tsunami Posted: 13 Jun 2022 09:45 AM PDT Scientists say they have identified the exact mechanism responsible for the exceptional tsunami that spread quickly across the world after the colossal eruption of the Tonga volcano earlier this year. |
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