科学新知

Study finds that treatment with modified phenanthridine PJ34 causes mitosis arrest and cell death in human pancreatic cancer cells in mice xenografts; benign cells were not impaired Read Full Article

纽约时报中文网 | 2022年冬奥会即将到来，无论是天气还是贸易战都无法阻止中国培育出人类有史以来最大的雪上运动热潮。中国希望在冬奥会开幕前培养3亿“冬季运动爱好者”，这个计划能实现吗？ 在北京附近的南山滑雪场，拥挤的人潮和兴奋的滑雪爱好者让这项运动的前景显得十分光明。 telegra.ph/滑雪下一波席卷中国的运动热潮-12-02

Swiss Company develops cat allergy vaccine Read Full Article

People, climate, and water played a role in the extinction of Australia's megafauna. Researchers analysed fossil data, climate reconstructions, and archaeological information describing patterns in human migration across south-eastern Australia. Read Full Article

Researchers are one step closer to recreating nature’s way for generating hydrogen, which is far more efficient than the current human process, based on a new understanding of biological enzymes called hydrogenases, which may help clear the path toward more environmentally friendly energy sources. Read Full Article

Young fish can be drawn to degraded coral reefs by loudspeakers playing the sounds of healthy reefs. Broadcasting healthy reef sound doubled the total number of fish arriving onto experimental patches of reef habitat, as well as increasing the number of species present by 50 per cent. Read Full Article

Bayesian inference explains human choices in group decision-making. Research has discovered that in large groups of essentially anonymous members, people make choices based on a model of the "mind of the group" and an evolving simulation of how a choice will affect that theorized mind. Read Full Article

Scientists develop diets that entrained maturation of the microbiota of children with severe acute malnutrition and put their metabolic and growth profiles on a healthier trajectory Read Full Article

Most dolphins are 'right-handed', say researchers — Bottlenose dolphins found to have an even stronger right-side bias than 90% of humans who are right-handed. The team said the right-side bias might help dolphins swallow food and pick up sensory information. Read Full Article

“The accumulation of microplastic particles in humans has potential health risks such as cytotoxicity, hypersensitivity, unwanted immune response, and acute response like hemolysis.” Read Full Article

One in four children and young people have a problematic relationship with smartphones. The study also concluded that there are links between PSU and mental health issues such as anxiety, stress, poor sleep and depressed moods. Read Full Article

Anthrax may be the next tool in the fight against bladder cancer, suggests new study based on human tumor samples and dogs with bladder cancer. Researchers combine the anthrax toxin with a growth factor to kill bladder cancer cells and tumors, without harming the normal cells in the bladder. Read Full Article

The desert-dwelling Namib desert beetle "eats fog", harvesting water from the air through its unique, grooved body which directs fog droplets into the beetle's mouth. Microscopic features on the beetle aid evacuation of lubricating film, which facilitates water collection. Read Full Article

Researchers Get ‘Glimpse Into A Human Mind’ As It Makes Choices In Groups, Social Media. In large groups of essentially anonymous members, people make choices based on a model of the “mind of the group” and an evolving simulation of how a choice will affect that theorized mind. Read Full Article

Some mutations allowing humans to fend off deadly infections also make us more prone to certain inflammatory and autoimmune diseases, such as Crohn's. Researchers describe how ancestral origins impact the likelihood that people of African or Eurasian descent might develop immune-related diseases. Read Full Article