Genetics

Study highlights danger of vitamin B12 deficiency

Using roundworms, one of Earth's simplest animals, Rice University bioscientists have found the first direct link between a diet with too little vitamin B12 and an increased risk of infection by two potentially deadly pathogens.

Medical research

New study reveals the cause of sensory changes in starved state

Korean researchers have verified the correlation between animals' sensory nerve activation and behavioral changes caused by insulin secretion in a feeding state. The result provided a clue to identify the causes of unusual ...

Neuroscience

Is foraging behaviour regulated the same way in humans and worms?

How does our nervous system motivate us to get off the sofa and walk to the fridge, or even to the supermarket, to get food? A research team led by Alexander Gottschalk from Goethe University investigated this using the threadworm ...

Neuroscience

Decoding the chemistry of fear

Ask a dozen people about their greatest fears, and you'll likely get a dozen different responses. That, along with the complexity of the human brain, makes fear—and its close cousin, anxiety—difficult to study. For this ...

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