Black or grey colouration can mean life or death; choose a mate wisely

Helena Tagg presents recent findings that the distribution of black wolves in North America is influenced by the prevalence of canine distemper virus, creating fluctuating selective pressures that drive mate choice.

The science of aging: can we live forever?

Can aging be stopped or slowed down? Or is it simply an inevitable process that we must accept? As humans, we have grown accustomed to the fact that we will all eventually die and grow old in the process. But what if this not actually the case? New scientific advancements shed a light on the potential increasing life expectancy of humans, and whether we can slow down the physical processes associated with aging.

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