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Nearly 40% of plant species are very rare, and vulnerable to climate change（图）
plant species very rare vulnerable climate change
2019/12/13
Almost 40% of global land plant species are categorized as very rare, and these species are most at risk for extinction as climate continues to change, according to new NSF-funded research.The finding...
In the elderly, meat protein assimilation from rare meat is lower than that from meat that is well done
protein metabolism amino acid bioavailability meat cooking elderly
2018/11/20
Background: Meat cooking conditions in in vitro and in vivo models have been shown to influence the rate of protein digestion, which is known to affect postprandial protein metabolism in the elderly.
Scientists Discover a Way to Sequence DNA of Rare Animals
Scientists Sequence DNA Rare Animals
2017/2/16
Rare and extinct animals are preserved in jars of alcohol in natural history museum collections around the world, which provide a wealth of information on the changing biodiversity of the planet. Thes...
Why Lyme disease is common in the north,rare in the south
Lyme disease common the north rare the south
2017/2/16
The ticks that transmit Lyme disease to people die of dehydration when exposed to a combination of high temperature and lowered humidity, a new USGS-led study has found. In an earlier related study, t...
The past decade has seen significant advancements in technologies that allow for the capture and analysis of tumor products (e.g., cells, microvesicles, DNA) from the peripheral circulation. In this y...
Rare beluga data show whales dive to maximize meals
beluga data show whales dive maximize meals
2016/2/23
Children’s singer and songwriter Raffi may have brought beluga whales into popular culture with his 1980 song “Baby Beluga,” but surprisingly little is actually known about the life and ecology of the...
Faulty bioelectric signal responsible for facial defects caused by rare genetic disorder
Faulty bioelectric signal facial defects genetic disorder
2016/2/23
Tufts University biologists have discovered the bioelectric mechanism by which the rare genetic disorder Andersen-Tawil syndrome (ATS) causes facial abnormalities, a finding that could lead to prevent...
Rare nautilus sighted for the first time in three decades（图）
nautilus sighted first time three decades
2015/9/9
In early August, biologist Peter Ward returned from the South Pacific with news that he encountered an old friend, one he hadn’t seen in over three decades. The University of Washington prof...
Evaluation of the effectiveness of introducing new alleles into the gene pool of a rare dog breed: Polish Hound as the example
dog pedigree analysis mtDNA
2015/6/23
The results indicated
the very limited breeding success of such dogs in relation to their contributions to the gene pool and to the
number of their descendants used in breeding. Dogs of unknown or...
Conservation While Under Invasion: Insights from a rare Hemiparasitic Plant, Swamp Lousewort (Pedicularis lanceolata Michx.)
integral projection model metapopulation Pedicularis lanceolata
2015/1/5
with non-native invasive species is considered a major threat to many rare native species. As such, invasives removals are a common management strategy. Rare native species that interact uniquely with...
A free online course on tropical coastal ecosystems is now open to anyone with internet access and high school science knowledge.
Consumer preference for seeds and seedlings of rare species impacts tree diversity at multiple scales
Plant–herbivore interactions Plant diversity
2015/11/13
Positive density-dependent seed and seedling
predation, where herbivores selectively eat seeds or seedlings of common species, is thought to play a major role in
creating and maintaining plant commu...
Rare events and stochastic tunneling in a two-locus system with recombination
Rare events stochastic tunneling two-locus system
2011/1/5
We study the evolution of a population in a two-locus genotype space, in which the negative effects of two single mutations are overcompensated in a high fitness double mutant. We discuss how the inte...
Elymus sosnowskyi (Hackel) Melderis (Poaceae), a rare endemic species in Turkey
Endangered endemic Elymus Turkey
2010/3/17
Elymus sosnowskyi, a rare endemic species known from East Anatolia, Turkey, was first collected by D. Sosnowsky in 1912. After that it has been collected only one other time, by F. Sorger in 1981. Dur...
Phellinus sulphurascens (Hymenochaetaceae, Basidiomycota): A Very Rare Wood-Decay Fungus in Europe Collected in Turkey
Basidiomycota Phellinus sulphurascens wood-decay fungus Juniperus Turkey
2010/3/17
Phellinus sulphurascens Pilát was collected from juniper tree stumps (Juniperus excelsa and J. foetidissima) in two different localities situated in the Mediterranean region of Turkey. This very rare ...