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PNAS News

28 Dec 2017

Scientists identify the root of nicotine addiction, may lead to new treatments

Nicotine is a stimulant that works by binding to receptors widely distributed throughout the brain.

Human evolution

14 Mar 2017

Secret of human evolution may be hidden inside 400,000-year-old skull!

The cranium was found in 2014. Since the sediments containing the cranium at the Aroeira site were firmly cemented, the cranium was removed from the site in a large, solid block.

21 Feb 2017

Venomous marine snail may provide potent painkiller: Study

The medical community is in need of alternative therapies that do not rely on the opioid pathways to relieve pain.

12 Jan 2016

Domestication may have damaged dog's DNA

The researchers analysed the complete genome sequences of 19 wolves, 25 wild dogs from 10 different countries, and 46 domesticated dogs from 34 different breeds.

29 Dec 2015

Another contagious form of cancer discovered

The cancer spreads rapidly throughout the animal's body and the disease usually causes the death of affected animals within months of the appearance of symptoms.

29 Dec 2015

How body controls inflammatory response to pathogens

This study is significant because there is an urgent need to develop novel anti-inflammatory agents to combat inflammation, and these findings could offer an alternative.

autoimmune diseases

02 Nov 2015

Enzyme find can help fight autoimmune diseases

AGS is a rare genetic disorder that mainly affects the brain, while SLE can affect the skin, joints, kidneys, brain and other organs.

16 Oct 2015

Global warming 'tipping points' identified

Many of these events occur for global warming levels of less than two degrees, a threshold sometimes presented as a safe limit.

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