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3.8-million-year-old fossil cranium unveils more about human ancestry（图）
3.8-million-year-old fossil cranium human ancestry
2019/10/18
In 2016, researchers working in the Afar region of Ethiopia, some 35 miles away from Hadar, the region in which "Lucy," the famous Australopithecus afarensis human ancestor, was found, discovered a ne...
Counting Chromosomes:Plant Scientists Solve A Century-Old Mystery About Reproduction（图）
Counting Chromosomes Plant Scientists Century-Old Mystery Reproduction
2018/2/1
Counting is vital in nature. Counting chromosomes is something that most animals, plants and even single-celled organisms need to know how to do to assure viability and to reproduce. Today, a team of ...
Moderate-to-vigorous physical activity, but not sedentary time, predicts changes in cardiometabolic risk factors in 10-y-old children: the Active Smarter Kids Study
physical activity sedentary time cardiometabolic risk factors
2018/11/16
Recently, Skrede et al. (1) prospectively examined the association of objectively measured sedentary time and subcomponents of physical activity with individual and clustered cardiometabolic risk fact...
Metabolism of uniformly labeled 13C-eicosapentaenoic acid and 13C-arachidonic acid in young and old men
aging arachidonic acid docosahexaenoic acid eicosapentaenoic acid metabolism
2018/11/15
Background: Plasma eicosapentaenoic acid (EPA) and arachidonic acid (AA) concentrations increase with age.
Vitamin D is not associated with incident dementia or cognitive impairment: an 18-y follow-up study in community-living old men
Alzheimer disease cognitive impairment cohort dementia Mendelian randomization vascular dementia vitamin D 25-hydroxyvitamin D
2018/11/13
Background: Vitamin D has been implicated as being important for maintaining cognitive function in old age. Results from longitudinal studies examining the association of vitamin D with incident demen...
Durable proteins make life possible in the crushing depths of the ocean, and may have evolved in life below the surface of ice-bound oceanic exo-planets. These proteins stay folded – allowing them to ...
Old enzyme,new role
Old enzyme new role
2017/2/16
A team of researchers at the University of Delaware has discovered a new function for an enzyme that has long been known to have a central role in bacterial metabolism.Maciek Antoniewicz, Centennial J...
Transcriptome profile of one-month-old lambs’ granulosa cells after superstimulation
Lamb Granulosa Cells Sheep RNA Seq Superstimulation
2017/3/7
Superstimulatory treatment of one-month-old lambs can achieve synchronous development of numerous growing follicles. However, these growing follicles cannot complete maturation and ovulation. Oocyte m...
Small-quantity, lipid-based nutrient supplements provided to women during pregnancy and 6 mo postpartum and to their infants from 6 mo of age increase the mean attained length of 18-mo-old children in semi-urban Ghana: a randomized controlled trial
lipid-based nutrient supplements child growth home fortification multiple micronutrients supplementation
2018/12/14
Background: Childhood stunting usually begins in utero and continues after birth; therefore, its reduction must involve actions across different stages of early life.
Characterization of greying, melanoma,and vitiligo quantitative inheritance in Old Kladruber horses
pigmentation skin neoplasm heritability genetic correlations spectrophotometry
2015/10/29
The paper deals with the greying process, melanoma, and vitiligo depigmentation occurrence in Old Kladruber horses (OKH). The study includes 376 animals of both sexes at the age of 1–25 years. The eva...
From a very old skeleton,new insights on ancient migrations
very old skeleton ancient migrations
2015/10/13
Three years ago, a group of researchers found a cave in Ethiopia with a secret: it held the 4,500-year-old remains of a man, with his head resting on a rock pillow, his hands folded under his face, an...
Stanford biologists crack centuries-old mystery of how cell growth triggers cell division
Stanford biologists centuries-old mystery growth triggers cell division
2015/10/13
Cells were discovered in 1676, and almost immediately afterward scientists began wondering why cells are so perfectly small.More than three centuries later, a team of Stanford biologists have zeroed i...
Old-school literature search helps ecologist identify puzzling parasite（图）
Old-school literature search ecologist identify parasite
2015/7/13
A months-long literature search that involved tracking down century-old scientific papers and translating others from Czech and French helped University of Michigan ecologist Meghan Duffy answer a que...
Animal Performance and Carcass Characteristics of Bulls (1/2 Purunã vs 1/2 Canchim) Slaughtered at 16 and 22 Months Old, and Three Different Weights
Crossbreeding Feedlot Feed Intake Slaughter Age
2016/5/18
Current study aimed to evaluate the performance of bulls (1/2 Purunã vs 1/2 Canchim) slaughtered at two ages and three different weights. One hundred and thirteen bulls were divided into two slau...
Slimming down in old age
Slimming down old age
2018/12/20
Obesity in older adults (as in the younger population) has become a major public health problem and presents a serious clinical challenge. It affects ~30–35% of 65- to 85-y-old US adults and is a majo...