Anthropologists study the genesis of reciprocity in food sharing

When you share your lunch with someone less fortunate or give your friend half of your dessert, does that act of generosity flow from the milk of human kindness, or is it a subconscious strategy to assure reciprocity should ...

Why closely related species do not eat the same things

Closely related species consume the same resources less often than more remotely related species. In fact, it is the competition for resources, and not their kinship, which determines the food sources of the species of a ...

Lab sets a new record for creating heralded photons

(Phys.org) —Entanglement, by general consensus of physicists, is the weirdest part of quantum science. To say that two particles, A and B, are entangled means that they are actually two parts of an inseparable quantum thing. ...

Genes show one big European family

From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent.

Homosexuality has become an image of modernity in Denmark

In 1999, Danish homosexuals were granted access to stepchild adoption, and after the 2001 general election, legislation to improve homosexuals' rights was introduced in the Danish Parliament. In the subsequent negotiations ...

Genes may travel from plant to plant to fuel evolution: study

The evolution of plants and animals generally has been thought to occur through the passing of genes from parent to offspring and genetic modifications that happen along the way. But evolutionary biologists from Brown University ...

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