"小雪和大雪节气的名字，重点都是'雪'。"唐志强解释，二十四节气中，秋天有白露和寒露，也有"霜 降"，到了小雪和大雪，在中国北方地区，降水形式往往就变成了雪。 中新网北京12月7日电(记者上官云)"六出飞花入户时，坐看青竹变琼枝。"大雪是冬季的第三个节气， 它的到来，标志着仲冬时节开始。 和"小雪"节气比起来，"大雪"有何特点？二十四节气保护传承联盟秘书长唐志强在接受中新网记者采访 时提到，大雪一般比小雪时气温更低，下雪的概率更大一些。 他提到，这个节气的主要风俗习惯有藏冰、腌肉、喝红薯粥等等。赶上下雪，人们也喜欢堆雪人、打雪 仗，古代的文人雅士会扫雪烹茶、踏雪寻梅，别有一番趣味。 降雪概率是否更大？ "大者，盛也，至此而雪盛也。"大雪节气来临的时间，一般是每年公历12月7日或8日。 从这个角度说，"大雪"是反映气温与降水变化趋势的节气。到了这个时候，人们往往会感到气温进一步 降低、日照时间更短，因此，如果此时下雪的话，比较容易出现积雪。 "小雪封地，大雪封河。"按照自然节律，冬天是享受丰收、休养生息的时节。 不过，唐志强表示，从气象学角度来说，大雪一般比小雪时更冷，下雪的概率和范围更大一些，但并不 意味着降 ...

Core Insights - The article discusses the domestication, global dissemination, and improvement trajectories of soybean, highlighting its significance as a major source of protein and oil for human consumption and animal feed [3][4][7]. Group 1: Research Findings - The research utilized genomic information from 8,105 soybean accessions, covering wild types, local varieties, and modern cultivated varieties, to conduct a systematic comparative genomic analysis [4][7]. - Key genes related to soybean adaptability and improvement were identified, providing insights that could guide future breeding efforts and sustainable agricultural development [7][8]. - The study revealed that black soybean serves as a crucial intermediate type in the domestication process, with two independent domestication centers identified in China: the Huang-Huai-Hai region and the Northwest region [7][9]. Group 2: Implications for Breeding - The research highlights the temporal changes in breeding focus for soybean in China, shifting from high-protein varieties in the early years to an emphasis on high yield, high oil content, and stress resistance in recent years [8][9]. - An online database was established, including a high-density soybean genome variation map and quantitative trait nucleotide (QTN) library, to facilitate global research collaboration [8][9]. Group 3: Institutional Background - The Yanzhou Bay National Laboratory, established in September 2022, focuses on major scientific and technological issues related to national food security and seed industry innovation [11].

Core Insights - The article highlights the unique characteristics of the Zhuangxin Agricultural Market in Kunming, which serves as a natural classroom for biodiversity and local culinary practices [3][4][5] - The author, Banxia, documents her observations and experiences in the market, culminating in the publication of her book "In the Market: The Daily Botany of Kunming's Zhuangxin Agricultural Market" [1][2] Market Overview - Zhuangxin Agricultural Market spans 20 acres with over 650 stalls, attracting vendors from various regions including Yunnan, Sichuan, and Northeast China [4][5] - The market is recognized as a representative of Yunnan's culinary diversity, often described as an edible natural museum [4][5] Cultural Significance - The market reflects the rich biodiversity and cultural diversity of the region, showcasing a variety of local ingredients that are more nutritious and interesting than mass-produced alternatives [3][5] - It serves as a social hub where local knowledge and culinary traditions are shared among vendors and customers, contributing to a sense of community [18][19] Personal Connection - Banxia's personal experiences and family history with foraging and cooking local ingredients deepen the narrative, illustrating the emotional and cultural ties to the market [10][12][16] - The market has become a source of comfort and healing for Banxia, representing a connection to nature and local culture [7][9] Changes and Challenges - Recent trends show a shift in the market's dynamics due to commercialization and an influx of tourists, raising concerns about the preservation of its traditional character [19] - The introduction of modernized stalls and the influence of younger vendors may alter the market's unique atmosphere, prompting discussions about the balance between tradition and modernization [19]

Group 1 - The harvest season in Heilongjiang Province is marked by high yields of black beans, with farmers reporting an expected yield of over 6,000 pounds per hectare and a net income of 5,000 yuan per hectare [1] - Advanced agricultural techniques such as deep soil loosening, layered fertilization, and precision sowing have contributed to the high productivity of black beans [1] - The combination of good seeds, farming methods, opportunities, land, and systems is enhancing agricultural production efficiency in Heilongjiang, the largest grain-producing province in China [1] Group 2 - The North China Agricultural Group has been utilizing large machinery for autumn tillage, which has been a practice for over 20 years, improving efficiency compared to smaller machines [2] - The trend of autumn tillage is becoming more common among local farmers, leading to better planting schedules and increased yields [2] - Modern agricultural machinery is being used for standardized processes in land reform, enhancing the efficiency of farming operations [5] Group 3 - The implementation of high-standard land reform during the optimal construction period before heavy snowfall is crucial for improving agricultural practices [5] - The use of advanced measurement technologies has improved land leveling precision to centimeter levels, preventing uneven distribution of water and nutrients [5] - Farmers have reported significant increases in effective planting areas and overall yields due to the consolidation of smaller fields into larger standardized plots [7]

Core Viewpoint - The event "Yue-Gui Cooperation - 2025 Dou'an Yao Autonomous County Agricultural, Cultural, and Tourism Resource Promotion" aims to enhance the visibility and market access of Dou'an's unique agricultural and cultural resources in the Guangdong-Hong Kong-Macao Greater Bay Area [10][12][14]. Group 1: Event Overview - The promotion event took place on October 24 in Guangzhou, showcasing Dou'an's Yao culture, ecological agricultural products, and tourism resources [3][4]. - The event lasted for two days and utilized a "media+" approach, integrating various sectors such as research, cultural tourism, and agricultural product distribution [6][8]. - The event featured a combination of live demonstrations, food tastings, and online sales to deepen regional industrial collaboration and expand market reach [7][8]. Group 2: Economic and Cultural Significance - The event is part of a broader initiative to strengthen economic, social, and cultural exchanges between Guangdong and Guangxi, marking a new phase of cooperation [12][14]. - Dou'an aims to leverage its ecological advantages to develop green agricultural products and eco-tourism, providing healthier options for the Greater Bay Area [24][25]. - The promotion is seen as a strategic move to connect Dou'an's quality agricultural products with the market potential of the Greater Bay Area [28][86]. Group 3: Product Highlights - The event showcased 18 exclusive agricultural product displays, including Dou'an Yao beef, goats, wild grape wine, and various handicrafts [45][46]. - Dou'an has cultivated nine certified products and developed six distinctive agricultural brands, with several products listed in the national catalog of quality agricultural products [51][52]. - The promotion emphasized the development of a comprehensive supply chain for high-quality beef and lamb, supported by existing breeding bases and advanced processing facilities [62][65]. Group 4: Marketing and Promotion Strategies - The event included a signing ceremony for promotional cooperation, bringing together various stakeholders from agriculture, tourism, and media sectors [31][34]. - Innovative marketing strategies were employed, including live streaming and interactive sessions to engage the audience and promote Dou'an's products [78][80]. - The initiative aims to enhance the brand recognition of Dou'an's agricultural and cultural resources, facilitating deeper market integration with the Greater Bay Area [84][87].

Core Insights - The joint report by Dieese and Conab indicates a mixed trend in basic food basket prices across Brazil, with 15 cities experiencing price decreases and 12 cities seeing increases in July [1] Price Trends - In July, rice prices decreased in most cities, while black bean prices fell in southern regions and Rio de Janeiro [1] - Coffee powder prices dropped in 21 cities, whereas beef prices showed a mixed trend with some increases and decreases [1] Market Influences - Since 2025, international market volatility has impacted food prices in Brazil, with increased coffee harvests and fluctuations in international futures markets leading to lower prices [1] - The imposition of a 50% tariff on Brazilian beef exports to the U.S. has restricted exports and subsequently lowered domestic beef prices [1]

Group 1: Impact of Diet on Male Fertility - A 28-year-old programmer's semen analysis revealed concerning results: sperm concentration at 5 million/ml (normal should be ≥15 million) and vitality at 20% (normal should be ≥40%) [1] - Long-term excessive alcohol consumption significantly harms male fertility, with studies showing a 20%-30% decrease in sperm vitality and a 50% increase in sperm head deformity [2] - Consumption of instant foods, such as instant noodles and self-heating hot pots, introduces preservatives and chemical additives that generate free radicals, leading to decreased sperm quality [3] Group 2: Specific Food Types and Their Effects - Storing leftover food improperly can lead to high levels of bacteria and nitrites, which may damage testicular function and reduce male fertility [4] - Pre-packaged meals and frozen foods often contain high levels of additives and preservatives, which can lead to obesity and negatively impact testosterone levels [5] - Pickled foods and strong-flavored condiments can act as chronic androgen blockers, affecting sperm production and development [6] Group 3: Recommendations for Male Fertility - Dietary adjustments are recommended, including the consumption of black beans, walnuts, and sea cucumbers to support reproductive health [7] - Regular physical activity and a balanced lifestyle are essential to maintain kidney health and overall well-being [8] - Regular health check-ups and the elimination of harmful habits can enhance sperm quality and protect health [9]

Group 1 - The core idea of consumer decision-making is that up to 95% of purchasing decisions are driven by subconscious automatic responses, indicating that brand loyalty is based on "cognitive autopilot" [2][16] - The book "Why Customers Buy Again" by Leslie Zane reveals the neural mechanisms behind the formation of consumer habits, showing that repeated choices of the same brand lead to decreased brain activity in decision-making areas [2][4] - Understanding consumer behavior is crucial for brands to maintain growth amidst economic cycles and uncertainties, emphasizing the need for a deep understanding of consumers [4][23] Group 2 - Effective marketing can change consumer behavior by leveraging existing associations and memories rather than relying solely on persuasion or promotions [5][10] - Metaphors are powerful tools in marketing that can quickly and effectively alter entrenched beliefs and behaviors by creating positive associations [6][8] - Humor, when relevant to the brand, can also break down psychological barriers and establish strong brand connections, enhancing consumer engagement [10][12] Group 3 - The concept of brand connection groups suggests that consumer choices do not follow a linear marketing funnel but can develop organically through various associations in the brain [13][14] - Brands that establish deep connections with consumers can create intuitive brand preferences, leading to automatic purchasing behaviors without conscious thought [16][17] - The ability of the human brain to change and adapt, known as neuroplasticity, allows for the formation of new neural networks based on experiences and interactions with brands [19][22] Group 4 - The competition for consumer attention occurs not just in the marketplace but within the memory and neural pathways of individuals, highlighting the importance of brand presence in consumers' minds [22][23] - Growth is essential for the survival of brands and businesses, and it can occur regardless of external circumstances, emphasizing the need for strategies that foster growth [23]

Core Viewpoint - The article illustrates the challenges and determination of a young farmer in northern Heilongjiang, who is committed to his agricultural venture despite declining beef prices and family concerns about his career choice [2][11]. Group 1: Agricultural Operations - The farm consists of 10 plots of land, totaling approximately 115 acres, where the farmer raises cattle and grows crops for both personal consumption and cattle feed [7]. - The farmer faces labor shortages, struggling to recruit workers for traditional farming tasks, which leads to family members stepping in to assist [8][9]. - The article details the planting process, including the types of vegetables and grains being cultivated, such as beans and corn, which are essential for cattle feed [15][22]. Group 2: Economic Context - The farmer's investment in agriculture has not yet yielded returns, and he relies on bank loans to sustain operations amid falling beef prices [11]. - Despite the financial challenges, the farmer remains optimistic about future profitability, believing that current policies will allow him to recover his investments within three to four years [11]. Group 3: Family Dynamics - Family members express concern over the farmer's decision to pursue agriculture instead of continuing his stable career as a veterinarian, highlighting a generational divide in career aspirations [10][11]. - The article captures the family's collective effort in supporting the farmer's agricultural activities, showcasing a blend of familial duty and personal ambition [9][40].

Core Insights - The article emphasizes the importance of knee health and provides practical self-assessment methods and care guidelines to address potential knee issues [1][2][4]. Group 1: Knee Health Indicators - The knee joint bears significant pressure during daily activities, with pressure reaching 1.5 times body weight when standing, 3 times when climbing stairs, and up to 10 times during jumping [1]. - 80% of individuals over 50 experience varying degrees of knee joint wear due to aging, leading to thinner cartilage and reduced synovial fluid, which increases friction and potential knee problems [1]. - Self-assessment methods include checking for O-shaped legs, which indicate potential inner cartilage wear if the distance between knees exceeds 5 cm [2]. Group 2: Symptoms Requiring Medical Attention - Persistent knee pain at night that disrupts sleep may indicate severe joint issues such as osteoarthritis or meniscus damage, necessitating medical evaluation [5]. - Joint swelling and heat lasting more than three days could signal infections or gouty arthritis, requiring prompt medical intervention [5]. - Morning stiffness lasting over 30 minutes, especially with pain and swelling, may suggest rheumatoid arthritis or other autoimmune diseases, warranting further medical investigation [5]. Group 3: Daily Care Guidelines - Using a trolley for grocery shopping can significantly reduce knee strain compared to carrying heavy items [4]. - Installing grab bars in bathrooms can provide support during squatting and reduce the risk of injury, particularly for the elderly [4]. - Choosing shoes based on the "three flat" principle (flat heel, flat sole, non-slip) can help maintain stability and reduce knee pressure [4]. Group 4: Recommended Exercises - Leg raises while seated can strengthen thigh muscles and enhance knee stability, with 30 repetitions per leg recommended [6]. - Wall squats can build thigh muscle strength, particularly the quadriceps, which is beneficial for knee protection [6]. - Walking backward for 10 minutes daily can alter knee stress distribution and improve balance [6]. Group 5: Home Remedies for Knee Care - Ginger compresses can promote blood circulation and alleviate pain when applied to the knee for about 15 minutes [8]. - A heated mixture of coarse salt and Sichuan pepper can also relieve stiffness and improve circulation when used as a hot compress [9].