2024-08-28 00:38:39动物植物
新的基因检测可以帮助消除狗的一种遗传性失明

Progressive retinal atrophy (PRA) is a group of inherited diseases that causes progressive degeneration of the light sensitive cells at the back of the eye. Dogs with PRA have normal sight at birth, but by the age of four or five they will be totally blin

阅读全文
2024-08-28 00:24:57动物植物
科学家揭示了登革热病毒如何感染蚊子和人类宿主的基本规律

Mosquito-borne viral infections once confined to tropical regions are spreading. Dengue virus infects up to 400 million people worldwide each year according to World Health Organization estimates, and no available treatments exist for this disease.

阅读全文
2024-08-28 00:11:15动物植物
人类压力的气味会影响狗的情绪,导致它们做出更悲观的选择

Dogs experience emotional contagion from the smell of human stress, leading them to make more 'pessimistic' choices, new research finds. The University of Bristol-led study, published in Scientific Reports on 22 July, is the first to test how human stre

阅读全文
2024-08-22 06:37:58动物植物
干细胞治疗的进展:操纵干细胞的新技术为新的治疗方法打开了大门

A new technique developed by McGill researchers for mechanically manipulating stem cells could lead to new stem cell treatments, which have yet to fulfill their therapeutic potential.

阅读全文
2024-07-22 20:31:54动物植物
生物学家发现雄性大象使用次声隆隆声发出“我们走”的信号

Bull elephants gather in the evening coolness to drink. After a spell, a senior male lifts his head and turns from the waterhole. With ears flapping gently, he lets out a deep, resonant rumble.

阅读全文
2024-07-21 20:22:33动物植物
野生动物的垫脚石:连接孤立的栖息地如何帮助自然在我们的城市中茁壮成长

Imagine you're a fairywren living in a patch of scrub behind a schoolyard in the suburbs. It's been pretty nice so far, but a recent increase in neighborhood cats and the council's insect control tactics mean it's time to look for somewhere safer to l

阅读全文
2024-07-21 00:41:12动物植物
大自然的性别揭示:关键基因控制西葫芦雌花

Sex determination in cucurbits such as squash is influenced by a complex interplay of environmental, hormonal, and genetic factors, with ethylene being the primary hormone promoting female flower development.

阅读全文
2024-07-21 00:30:26动物植物
起泡有益:氢纳米气泡增强番茄抗氧化剂

Tomatoes are a key source of antioxidants, crucial for human health as they help combat oxidative stress. Traditional irrigation methods often fail to significantly enhance these beneficial compounds in crops. Hydrogen, known for its unique antioxidant pr

阅读全文
2024-07-21 00:19:06动物植物
科学家发现菠萝皮着色背后的分子机制

Pineapple peel coloration, especially the red hue, significantly enhances its commercial and aesthetic value. However, the genetic mechanisms driving this trait are not well understood, complicating breeding efforts for red-skinned varieties.

阅读全文
2024-07-21 00:08:35动物植物
研究人员揭示了在线社区在帮助受宠物盗窃影响的人方面的关键作用

Social media and online communities can play a crucial role for owners searching for their stolen pets, researchers have revealed, both in physically tracking them down and as a source of comfort after their loss.

阅读全文
2024-07-20 23:55:39动物植物
研究小组在南美洲海岸观察豹海豹的求偶行为

A study led by Baylor University biologist Sarah Kienle, Ph.D., and published in the journal Polar Biology has unveiled the first paired observations of sexual behavior and vocalizations in wild leopard seals. Kienle and her team's third published study

阅读全文
2024-07-20 23:40:40动物植物
加泰罗尼亚地区40000种植物、动物和真菌的基因组测序项目

Biodiversity loss is one of the most alarming threads the planet faces. Degraded habitats, overexploited resources, climate crisis and invasive species are some of the factors that threaten the richness and variety of living species.

阅读全文
 3112   首页 上一页 127 128 129 130 131 132 133 134 135 136 下一页 尾页