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Many of our body’s most important functions occur without our conscious knowledge, such as digestion, heartbeat, and breathing. These vital functions depend on the signals generated by the “interocept...
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
Numerous studies have shown that trained dogs can detect many kinds of disease — including lung, breast, ovarian, bladder, and prostate cancers, and possibly Covid-19 — simply through smell. In some ...
芬兰研究人员2020年6月5日对媒体宣布,他们已绘制出北欧驯鹿的完整基因结构,发现了许多有助于它们适应恶劣自然条件的遗传特征。芬兰北部的拉普兰地区是北欧驯鹿的主要栖息地。在广泛流行的传说中,来自拉普兰的圣诞老人会在圣诞节期间驾着北欧驯鹿拉的雪橇出行。
一项发表在最新一期美国《科学》杂志上的研究显示,为了躲避人类的干扰,全球多种野生哺乳动物正越来越多地转移到夜间活动,表现出夜行性增强的趋势。
In the animal kingdom, the battle of the sexes often truly becomes a battle. Among chimpanzees, males may violently attack females, sometimes resulting in serious wounds. While unpleasant to watch, th...
CHAMPAIGN, Ill. — They help fish swim, but fins also advertise a fish’s social standing and health. In a new study, researchers report that for the male bluefin killifish (Lucania goodei), each colorf...
Actually, you may never be able to spend time on the trail with a wild cat, but if the cat is wearing the new high tech collar designed by University of California, Santa Cruz, researchers, you'll fin...
据美国物理学家组织网近日报道,科学家在越南湄公河三角洲地区发现了一种小型蜥蜴,当地餐馆长期以来拿它们当食材,这种蜥蜴全部都是雌性,能通过“克隆”自己来进行繁殖。
一项最新研究显示,鸽子在选择食物时也会“赌博”,尽管这种行为会导致最终获得的食物总量较少,这说明赌博也许是生物的一种天性。
出生以后大脑会失去许多的神经细胞,而这种情况将会在整个生命周期中持续——大多数神经元是在出生之前形成的,出生之后很多多余的神经元就会退化。然而,也有一些细胞,在老年时仍然具有分裂能力——至少在老鼠的大脑中是如此。据来自弗赖堡的马克斯普朗克免疫生物学研究所的科学家表示,存在的不同类型的神经干细胞能够产生新的神经元。虽然神经干细胞在年幼动物中能够不断地分裂产生新的神经元,但是在年老动物中存在的这种细胞...
From today (25 January), research institutions with PhD students funded by the Medical Research Council (MRC) or Biotechnology and Biological Sciences Research Council (BBSRC) can apply for additional...
Researchers in Japan have altered the destiny of a rout of snails by changing the chirality of their shells before birth. By delicately manipulating a batch of developing embryos, the scientists succe...
不要以为只有变色龙才会耍变色把戏,通过改变肤色来保护自己免受敌人侵害。据英国媒体8月28日报道,科学家最近发现,有一种老鼠也会通过改变自身颜色来保护自己,几千年下来,躲过了被捕食者捕食至灭绝的命运。
北京时间3月4日消息,据澳大利亚广播公司网站报道,在自然界中,当年轻的雄蜥蜴向雌蜥蜴寻求交配时,它们经常会遭到其它成年雄蜥蜴的攻击和驱离。为顺利地完成交配,这些年轻的雄蜥蜴有时会改变身体的颜色,让自己看起来更像是一只“雌蜥蜴”,从而麻痹其它雄性蜥蜴并避免遭到攻击。

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