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A team at the University of Copenhagen have tracked down a genetic mutation which took place 6-10,000 years ago and is the cause of the eye color of all blue-eyed humans alive on the planet today.
What is the genetic mutation?
“Originally, we all had brown eyes”, said Professor Eiberg from the Department>
One tenet of natural selection is a random walk of genes but nature may be more predictable than rolls of dice suggest. A new study of the mimicry of several distantly-related South American rainforest butterfly and moth species with similar wing color patterns that may warn away predators (it's not a costumed bluff>
Californis is the largest dairy producer in the United States. It is also the most anti-science state, distrustful of the modern world. That is why coastal cities had measles parties until the COVID-19 pandemic happened; they believed the MMR vaccine caused autism in children. They love raw milk because they believed>
These days, when I watch a good working dog hone in on scent — whether it’s a dog locating the scent of human remains or trailing someone who is still alive — I can see him trace its passage in the air until he’s drawn a clear picture with his nose. An experienced dog can distinguish the difference between>
Typhoid fever kills 10–30% of untreated people. One of the best-known cases was that of Mary Mallon, a healthy carrier of typhoid, who worked for many years in the food industry in New York and is thought to have infected almost 50 people. She was eventually forcibly quarantined by authorities and named Typhoid>
Macular teleangiectasia (MacTel) is a progressive idiopathic form of retinal degeneration that occurs in adulthood, and is caused by a number of factors including diabetic retinopathy, hypertension, venous occlusion, inflammatory diseases, and blood disorders (Yannuzzi et al., 2006) (Shen et al J Neurosci 32>
