Amoeba builds barriers for protection against bacteria

In some respects, animals and amoebae are not that different. For instance, both are at risk of potentially deadly attacks by bacteria and have evolved ways to prevent them. Researchers at Baylor College of Medicine report ...

Tolerance to stress is a 'trade-off' as fruit flies age

The consequences of aging are damage and degeneration of cells, which leads to loss of function, vulnerability to disease, and eventually, death. A hallmark of the aging process is the progressive decline of the nervous system, ...

Why do birds typically live longer than mammals?

Why do birds typically live longer than mammals? A new paper offers a hint, albeit not a conclusive answer. Assistant Professors of Biology Cynthia Downs and Ana Jimenez at Hamilton College and Colgate University respectively ...

Image: Smart particles

Down to the microscopic level, nanoparticles show promising properties. A team of experts in Italy has spent years tailoring tiny inorganic materials and analysing their behaviour. Some have magnetic properties, others are ...

Biosynthesis of widespread pigments from bacteria revealed

Bacteria can protect themselves from the attack of free radicals using specific natural products in their membranes. The biosynthesis of one of the most common protective pigments that could also be of interest for the medical ...

Sleep and aging: Two sides of one coin?

Oxford University researchers have discovered a brain process common to sleep and ageing in research that could pave the way for new treatments for insomnia.

Microalgae as natural detector of environmental safety

An international group of toxicologists, including experts from the Far Eastern Federal University (FEFU), report that unicellular microalgae, the most common microorganisms on Earth and an important part of the food chain ...

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