探访世外桃源——嘎儿寺

手上拿一把青草,就会有野生岩羊或小鹿轻轻走过来吃,你或许认为这是童话,但是,这的确是我们的亲身经历,这个地方就在青海省玉树藏族自治州囊谦县的嘎儿寺。 嘎儿寺坐落在囊谦县扎乡以南85公里的嘎日乃庆山山顶,山脚是一个藏族小村,这里四面环山,不通公路,更没有电,人们进出基本上还是靠骑马,     

Experiments with genitalia: a commentary

There has been a recent burst of studies of the function of genitalia, many of which share several important shortcomings. Given that further studies on this topic are likely (there are probably millions of species showing rapid genital divergence), I discuss the studies critically to promote clear formulation of hypotheses and interpretation of results in the future. I also emphasize some possibly important but neglected variables, including female stimulation, phylogenetic contexts, and the behavior of male genitalia, and outline simple techniques that could improve future studies.     

Experiments

In this article, I have provided a brief history of my life. After tracing my family background and my early interest in physical sciences, I discuss how I entered biology under the influence of Robert Emerson. I have always enjoyed doing experiments and this led to new measurements and analyses of chlorophyll unit, efficiency of photosynthesis, excitation energy transfer, delayed light emission, thermoluminescence and electroluminescence in photosynthetic organisms. It is my view that discoveries are made because we follow our scientific curiosities.This article was written at the invitation of Govindjee.     

Garden sage

Southern Europe, especially the part of Yugoslavia known as Dalmatia, has long been the principal source of this condiment, so popular in American culinary art. Commercial cultivation of the herb in the United States has been meagre, and supplies of true sage (Salvia officinalis) have been augmented by many adulterants, especially Greek sage (Salvia triloba) also from Mediterranean countries.     

Preserved ascomatal and other fungal structures on the remains of a ninth century Longobard abbess exhumed from a Monastery in Pavia,Italy

Auxarthron californiense, Mixotrichum aeruginosum, Oncocladium flavum and Chaetomium elatum were recognized on the basis of ascomatal structures on the remains of a Longobard abbess who died in the IX century A.D. These fungi, which had remained isolated in a crypt of the S. Felice Monastery of Pavia for almost 1000 years, are phenotypically identical to the type specimens. The occurrence of these fungi and their ecological role are discussed. This revised version was published online in August 2006 with corrections to the Cover Date.