生物医学科技前线
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看看这世界生物医学科学又进步了多少?
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进化不是随机的。科学家发现,1200万年来同样的基因被用于蝴蝶和蛾的警告色彩中
研究人员发现,远亲的蝴蝶和蛾在1200万年里重复使用了同一 pair 的基因,产生了惊人的相似警告色彩。进化并没有改变基因本身,而是改变了它们的开关方式。这一发现暗示着生命可能比之前认为的更具预测性。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-04 13:09 GMT+8(北京时间)
#进化 #基因 #蝴蝶 #蛾 #警告色彩
麻省理工科学家终于揭示了高科技材料的神秘结构
研究人员终于在细节上绘制了放电电解质的三维结构,揭示了纳米尺度上的电荷排列模式,这一突破不仅挑战了这些材料行为的长期假设,还使科学家能够改进设计它们的模型。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-04 21:14 GMT+8(北京时间)
#放电电解质 #纳米尺度 #材料结构
科学家揭示肌力剂的真正力量:超越肌肉增强的创酮作用
肌力剂创酮在健身房中声名狼藉,但它的真实故事远比人们想象的更为复杂。身体内自然产生的创酮帮助细胞通过快速重生ATP来发动,ATP是肌肉、脑部和心脏在高强度活动时的动力来源。补充创酮可以提高短时间的身体性能,并且可能支持记忆、情绪和…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-04 16:13 GMT+8(北京时间)
#创酮 #肌力剂 #ATP #运动性能 #记忆力
麻省理工科学家揭示了高科技材料的神秘结构
研究人员首次在细节上详细地绘制了放松铁电材料的三维结构,揭示了纳米尺度上电荷的隐藏模式。该突破不仅挑战了这些材料行为的长期假设,还使科学家能够改进设计它们的模型。
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-04 21:14 GMT+8(北京时间)
#放松铁电材料 #铁电材料 #纳米结构
240-million-year-old giant “sand creeper” found hidden in retaining wall
A forgotten fossil hidden inside a garden wall has turned out to be one of Australia’s most remarkable prehistoric discoveries. Scientists have now identified the 240…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-06 14:47 GMT+8(北京时间)
Scientists say this simple music trick can boost workout endurance by 20%
A new study shows that listening to your own favorite workout music can dramatically boost endurance. Cyclists exercising with self-selected songs lasted nearly 20% l…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-09 20:56 GMT+8(北京时间)
This daily habit could lower dementia risk by 35%, scientists say
A huge long-term study found that drinking two to three cups of coffee a day was linked to a much lower risk of dementia, especially before age 75. Researchers say ca…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-13 22:29 GMT+8(北京时间)
This daily habit could lower dementia risk by 35%, scientists say
A huge long-term study found that drinking two to three cups of coffee a day was linked to a much lower risk of dementia, especially before age 75. Researchers say ca…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-13 22:29 GMT+8(北京时间)
Scientists discover hidden math secret inside Chinese money plant leaves
Scientists have uncovered a hidden mathematical secret inside the leaves of the Chinese money plant: a naturally occurring geometric pattern known as a Voronoi diagra…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-14 15:48 GMT+8(北京时间)
A grad student’s wild idea sparks a major aging breakthrough
A casual conversation between graduate students helped spark a breakthrough in aging research at Mayo Clinic. Researchers discovered that tiny synthetic DNA molecules…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-15 12:50 GMT+8(北京时间)
A grad student’s wild idea sparks a major aging breakthrough
A casual conversation between graduate students helped spark a breakthrough in aging research at Mayo Clinic. Researchers discovered that tiny synthetic DNA molecules…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-15 12:50 GMT+8(北京时间)
A grad student’s wild idea sparks a major aging breakthrough
A casual conversation between graduate students helped spark a breakthrough in aging research at Mayo Clinic. Researchers discovered that tiny synthetic DNA molecules…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-15 12:50 GMT+8(北京时间)
Scientists discover giant “last titan” dinosaur, Southeast Asia’s largest ever
A massive new dinosaur discovered in Thailand is rewriting Southeast Asia’s prehistoric history. The newly named Nagatitan chaiyaphumensis was a colossal long-necked …
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-15 20:36 GMT+8(北京时间)
Scientists find hidden brain nutrient deficit that may fuel anxiety
A major analysis of brain scans found that people with anxiety disorders have noticeably lower levels of choline, a nutrient crucial for healthy brain function. The s…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-16 20:41 GMT+8(北京时间)
Stunning 150-million-year-old stegosaur skull rewrites dinosaur evolution
A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs. Paleontologists uncovered the best-preserved stegosaur …
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-17 14:38 GMT+8(北京时间)
Stunning 150-million-year-old stegosaur skull rewrites dinosaur evolution
A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs. Paleontologists uncovered the best-preserved stegosaur …
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-17 14:38 GMT+8(北京时间)
Scientists uncover surprising health benefits of watermelon
Studies suggest watermelon could be a hidden powerhouse for better health. Researchers found that people who eat watermelon tend to have higher-quality diets packed w…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-17 20:56 GMT+8(北京时间)
This popular fermented food may help flush microplastics from the body
Scientists in South Korea have discovered that a probiotic bacterium found in kimchi may help the body flush out tiny plastic particles before they can build up in or…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-18 17:59 GMT+8(北京时间)
Scientists found a smarter Mediterranean diet that slashes diabetes risk by 31%
A large European study revealed that a lower-calorie Mediterranean diet paired with exercise and coaching dramatically reduced the risk of type 2 diabetes. Participan…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-19 15:02 GMT+8(北京时间)
Scientists boosted one protein and aging mice became stronger and healthier
Scientists have identified a protein that appears to put the brakes on the chronic inflammation linked to aging. Older mice with boosted levels of the protein were st…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-19 21:11 GMT+8(北京时间)
Lost for 150,000 years: Rainforest discovery upends human history
For decades, scientists believed ancient humans avoided dense rainforests, treating them as nearly impossible environments for early survival. But a groundbreaking di…
来源: ScienceDaily | 阅读全文
发布时间: 2026-05-20 14:22 GMT+8(北京时间)