Biology News
Lab identifies new model to study connectivity in the developing brain - Medical Xpress


Medical Xpress
Dr. Francis, associate professor of neurobiology, details how NRX-1, the nematode equivalent to the neurexin protein in mammals, must be present for the formation of synaptic connections between specific types of neurons. In addition, the researchers ...

'A city in a garden': Singapore's journey to becoming a biodiversity model - UN Environment (press release)


UN Environment (press release)
You wouldn't know it today, but in 1965 Singapore was a polluter's paradise: mucky rivers, polluted canals and raw sewage running rampant. It was a developing country, newly split from neighbouring Malaysia, an island surrounded by waters that now they ...

Certara experts highlight quantitative systems pharmacology's role in first-in-human clinical trials - EurekAlert (press release)


EurekAlert (press release)
PRINCETON, NJ - July 26, 2018 - Certara┬«, the global leader in model-informed drug development, regulatory science, market access and real-world evidence services, announced today that Clinical Pharmacology & Therapeutics has published its "Letter to ...

Bead Model of Speciation: A Demonstration

Radford - United States

Graphic depiction of a model of an evolutionary branching process described by Martin L. Weitzman in Biodiversity Loss: Economic and Ecological Issues.

Related
Decoding Model: A Symmetrical Model of Color Vision
China

Paper describing the new model and the evolution of color vision.

Agarose Bead Technologies
Spain

Manufacturer of activated agarose beads for affinity chromatography his-tag, antibody and GST protein purification and enzyme and antibody immobilization, as well as non activated agarose beads for size exclusion chromatography and activation processes.

Wikipedia: Speciation
United States

Hyperlinked article about the appearance of a new species of life.

Models of Speciation
United States

Historical phenomenon that is a fundamental issue in evolutionary biology.

Evolution 101: Speciation
United States

Allows readers to explore different ways to define a species and learn about the various processes through which speciation can occur.

Biology Century: Speciation
United States

Covers what a species is, modes of speciation, and rates of speciation.

Observed Instances of Speciation
United States

FAQ discussing several instances where speciation has been observed.

Species, Speciation, and the Environment
United States

Article by Niles Eldredge outlining how environment change plays a major role in the evolution of species.

Ensatina eschscholtzi: Speciation in Progress
United States

Classic example of Darwinian evolution. This lungless salamander is now in the process of splitting into two or more species by means of gradualism.

United States

Addresses the question: What is a species, and what are the different ways it can be defined?