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Vernalization - Nature
Nature· 24 hours agoTHE phenomenon of vernalization, namely, the acceleration of ear formation in winter varieties of cereals by exposing the germinating seed to low temperature, is now well known1. The underlying ...
Primary Embryonal Sex Ratio in Normal Pregnancies determined by the Nuclear Chromatin - Nature
Nature· 1 day agoMANY attempts have been made to establish a sex ratio for embryos of a younger gestational age. Unfortunately, external genitals are an unreliable index for this purpose before ...
Generation of cerebellar granule neurons in vivo by transplantation of BMP-treated neural progenitor...
Nature· 1 day agoCerebellar granule neurons, the most abundant class of CNS neurons, have a critical role in cerebellar function. Granule neurons are generated at the dorsal border of the mesencephalon and metencephalon ...
Scientific Serials - Nature
Nature· 1 day ago“On the Form and Use of the Facial Arches,” by W. Parker, F.R.S., is chiefly occupied by observations on embryo salmon. H. Lang, details the method employed by the author ...
Atrophy, Burial, Suppression or Total Loss in Evolution - Nature
Nature· 1 day agoAN examination of a series of sheep embryos has indicated that the ungulates are not removed from the general mammalian plan to the extent usually indicated by the specialization ...
Functional Survival of Fowl Spermatozoa after Freezing at −79° C. - Nature
Nature· 1 day agoShaffner, Henderson and Card reported that, in fowl semen to which lævulose had been added, about 30 per cent of the spermatozoa could be revived after freezing to −79° C. 1. Some spermatozoa ...
Complement Fixing Antigen in T5 coli Bacteriophage - Nature
Nature· 1 day agoCOMPLEMENT fixation with animal viruses has long been known, and Hoyle1 by the use of the complement fixation reaction has demonstrated a soluble influenza virus antigen which appears in infected ...
The Problem of Man's Ancestry - Nature
Nature· 1 day agoIf man, who is the forerunner, has lost the individuality of the premaxillary element (which is not present in the human embryo, according to the author), how is it that it ...
Further Investigations on Xenia in Maize - Nature
Nature· 1 day agoProbably few botanical discoveries of recent years have aroused more interest trian the remarkable observations of Nawaschin upon the fusion of one of the generative nuclei of the pollen tube ...
Speaking up - Nature Cell Biology
Nature· 1 day agoIn his keynote address at the recent Keystone Symposium on stem-cell research, Robert Winston encouraged the community to become more engaged in the public debate on scientific issues. This ...
