Charles Darwin

Lines of Thought: From Darwin to DNA

29 July 2016

Darwin’s stuffed pigeons, the letter which first coined the term ‘genetics’ and a paper by Crick and Watson which helped decode DNA all feature in the latest film to celebrate Cambridge ̽»¨Ö±²¥ Library’s 600th anniversary. 

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Heliconius Melpomene.

Genetic switch that turned moths black also colours butterflies

02 June 2016

Heliconius butterflies have evolved bright yellow colours to deter predators, while peppered moths famously turned black to hide from birds. A new study reveals that the same gene causes both, raising fascinating questions about how evolution by natural selection occurs in these species.

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Light microscope image of the five tentacle temnocephalan Temnosewellia c.f rouxi from cultured redclaw crayfish

A 100 million-year partnership on the brink of extinction

25 May 2016

A symbiotic relationship that has existed since the time of the dinosaurs is at risk of ending, as habitat loss and environmental change mean that a species of Australian crayfish and the tiny worms that depend on them are both at serious risk of extinction. 

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Zebra Finch

Genes discovered that enable birds to produce the colour red

20 May 2016

Latest research suggests a new mechanism for how sexual displays of red beaks and plumage might be ‘honest signals’ of mate quality, as genes that convert yellow dietary pigments into red share cofactors with enzymes that aid detoxification – hinting that redness is a genetic sign of the ability to better metabolise harmful substances.

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