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Parent birds commonly face the problem of distinguishing their own brood from foreign chicks. Learnt chick-recognition evolves only when parents do not mistakenly learn to reject their own young.
Windy weather is forecast where stars are forming. Numerical simulations show that these winds can reshape dwarf galaxies, reconciling their properties with the prevailing theory of galaxy formation.
Floods and fires aside, the tricky science of prediction is explained in a book that treads a careful line between analysis and anecdotes of awful events, says Andrew Robinson.
Chemical models of enzymes' active sites aid our understanding of biological reactions. Such a model of a reaction intermediate promises to advance our knowledge of the biochemistry of iron-containing haem enzymes.
Memory formation is known to occur at the level of synaptic contacts between neurons. It therefore comes as a surprise that another type of brain cell, the astrocyte, is also involved in establishing memory.
A lack of coordination in Arctic research funding leaves scientists without the support they need for fieldwork. John England outlines how Canada can set things right, and show leadership in the north.
Received wisdom about the main driver of the South Asian monsoon comes into question with a report that tests the idea that the Himalayas, not the Tibetan plateau, are the essential topographic ingredient.
The key enzyme in photosynthesis, Rubisco, is a relic of a bygone age. The ability to assemble Rubisco in the test tube offers the prospect of genetically manipulating the enzyme to make it fit for the modern world.
