Why are there so many hair colours?

The variety of hair colours that we find among humans is due to mutations in some of our genes.

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Ciència recreativa

Recreational science

The purpose of this monograph is to introduce and promote recreational science and its uses to the general public. Deadline for submission: 15 June 2023.

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inmortalidades

Immortalities

The jellyfish Turritopsis dohrnii is capable of rejuvenation. Ferran Martin reminds us that, unfortunately, it is not the only «immortal» thing we can find in the ocean.

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Social evolution

To talk about life is to talk about cooperation. In a world dominated by Darwinian competition, how has cooperation come to play such an important role?

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Are viruses alive?

The scientific community agrees that viruses are not alive. However, the idea sparks some debate because it depends on how we define life.

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ageing

Why do we age?

Ageing occurs because we divest energy from ourselves and into reproduction, so we have less available to survive.

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Valenciolenda fadaforesta

The underground world, a source of biodiversity

The description of the «Valencian wood fairy» or Valenciolenda fadaforesta (Hoch & Sendra), a new species and genus, was recently published.

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The perfect couple

Humans, unlike some animals, do not base their mating choices exclusively on genetics. There are many cultural and social determinants.

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What’s wrong, are you feeling unwell?

Sickness behaviours are far from being exclusive to humans; they have been found in virtually all animals in which they have been studied.

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Capsaicin mon amour

Some mammals experience a feeling of soft pain when tasting fruits with capsaicin. This mutation has survived with the evolution of mammals.

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