Humans News

Scientists Believe Humans Will One Day Colonize the Universe

August 26, 2013

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Humanity Could Colonize the Universe

A new study from the University of Oxford looks at the possibility of human colonization throughout the universe. Scientists as eminent as Stephen Hawking and Carl Sagan have long believed that humans will one day colonize the universe. But how easy would it be, why would we want to, and why haven’t we seen any […]

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HMP Maps the Healthy Human Microbiome

June 13, 2012

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map of the healthy human microbiome

With microbes outnumbering human cells by 10 to 1, the Human Microbiome Project (HMP) Consortium looks at how these microorganisms coexist with their human hosts and explains in a series of scientific publications how and why microbial communities vary. Human beings are ecosystems on two legs, each of us carrying enough microbes to outnumber our […]

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Examining the Genes of Stone Age Farmers

April 30, 2012

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genetic variation of today’s Europeans was strongly affected by immigrant Stone Age farmers

New findings from a team of Swedish-Danish evolutionary biologists show that the genetic variation of today’s Europeans was strongly affected by immigrant Stone Age farmers. The study involved comparisons of thousands of genetic markers from four Stone Age skeletons to genetic data from living individuals. One of the most debated developments in human history is […]

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Human Presence Increases Indoor Bacteria

March 29, 2012

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Bacteria

Bacteria are everywhere and in much larger amounts than you may realize. A new study looks at how much a lone human presence affects the level of indoor biological aerosols and the results may be shocking to some. A person’s mere presence in a room can add 37 million bacteria to the air every hour […]

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Scientists Discover New Type of Extra-Chromosomal DNA

March 12, 2012

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eccDNA

Scientists from the University of Virginia and University of North Carolina have discovered a previously unidentified type of circular DNA molecule occurring outside the chromosomes in mouse and human cells. The findings were published in the journal Science. The extra-chromosomal circular DNA (eccDNA) is 200-400 base pairs in length and consists of non-repeating sequences and […]

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Human Y-Chromosome Has Enough Genes to Stay for Millions of Years

February 23, 2012

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x-y-chromosomes

The male-sex determining Y chromosome is here to stay, having lost only one gene in the last 25 million years, a new study of human and rhesus monkey states. The study questions the notion that the Y chromosome is shedding genes and doomed to eventually degenerate. Jennifer Hughes, a geneticist at the Whitehead Institute for […]

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Virus Gene Syncytin Insinuated Itself in Mammalian DNA Millions of Years Ago

February 18, 2012

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da-vinci-fetus

Syncytin is a gene that was found in the human genome, but is bears all of the hallmarks of originating from a virus. Back in 2000, a team of Bostonian scientists discovered it. The cells of syncytin were located only where the placenta made contact with the uterus. They fused together to form a single […]

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Humans Implicated in Africa’s Deforestation 3,000 Years Ago

February 11, 2012

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deforestation-wwf-human

A new study published in the journal Science suggests that humans might have played a significant part in the sudden deforestation of rainforests from Central Africa. This work contradicts the prevailing view that the expansion of farming practices was the root cause as well as the increased incidence of long, severe dry spells. Germain Bayon, […]

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Botched Pressure Test of Russian Soyuz Capsule Delays Launch by a Month

February 4, 2012

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soyuz-launch

The Russian space capsule Soyuz was slated to launch on March 29th, but a botched pressure test has delayed the launch until May 15th. Soyuz will contain the next crew of the ISS, who are anxiously awaiting the launch. One of the three modules that make up the entire Soyuz TMA-04M vehicle has been scrapped […]

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Human Brains Take Longer to Wire Up Than Simian Ones

February 1, 2012

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transcriptome-rna

Human brains make synaptic connections throughout much of childhood, and the brain’s plasticity enables humans to slowly wire them based upon experiences, contrary to how chimpanzees develop. Humans and chimpanzees share 98.8% of the same genes, but scientists have been looking for what drives the unique cognitive and social skills of humans. A new study, […]

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Human Stem Cells Transplanted Into Mouse Brains

November 28, 2011

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neuron

Scientists have reported that they have successfully transplanted human stem cell-derived neurons into the brains of living mice. Human embryonic stem cells grown in a culture with mouse neurons were then implanted into a living mouse’s hippocampus. These mice neurons had a very specific trait. They were activated by light. The study demonstrated that the […]

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