Wednesday, December 13, 2017

Ancient Humans Arrived in South America in Multiple Waves

Analysis of ancient human skulls found in southeastern Brazil are providing new insights into the complex narrative of human migration from our origins in...

First 3-D Structures of Active DNA Created

Scientists have determined the first 3-D structures of intact mammalian genomes from individual cells, showing how the DNA from all the chromosomes intricately folds to fit together inside the cell nuclei.

Head Injuries Can Alter Hundreds of Genes and Lead to Serious...

Head injuries can adversely affect hundreds of genes in the brain that put people at high risk for diseases including Alzheimer's, Parkinson's, post-traumatic stress disorder, stroke, ADHD, autism, depression and schizophrenia, life scientists report. The researchers have identified for the first time potential master genes which they believe control hundreds of other genes that are linked to many neurological and psychiatric disorders.

NASA Catches Newly Formed Tropical Cyclone 11S

Just after Tropical Cyclone 11S formed in the Southern Indian Ocean NASA's Aqua satellite passed overhead gathering data using infrared light.

Artificial Synapse for Neural Networks

For all the improvements in computer technology over the years, we still struggle to recreate the low-energy, elegant processing of the human brain. Now,...

How Sperm Swim Revealed in Mathematical Formula

Researchers have developed a mathematical formula based on the rhythmic movement of a sperm's head and tail, which significantly reduces the complexities of understanding and predicting how sperm make the difficult journey towards fertilizing an egg.

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