Heredity: Inheritance and Variation of Traits
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GeneticsExplainer: How CRISPR works
Scientists are using a tool called CRISPR to edit DNA in all types of cells.
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GeneticsDNA tells tale of how cats conquered the world
Ancient DNA study suggests that domesticated cats spread across the ancient world in two waves.
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ArchaeologyDNA from African mummies tie these folk to Middle Easterners
Ancient DNA extracted from 90 Egyptian mummies reveals genetic links to Greece and the Middle East.
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Science & SocietyCool Jobs: New tools to solve crimes
Future investigators may identify criminals by the microbes they leave behind or by using DNA-like evidence from strands of their hair.
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GeneticsScientists Say: Chromosome
This threadlike structure is made of DNA wrapped around protein. It allows the 3 billion base pairs in human DNA to stay neatly packaged in a cell.
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TechTweaked germs glow to pinpoint buried landmines
Finding landmines could become much safer with a new technology. It uses genetically modified bacteria that glow under laser light.
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Health & MedicineAnalyze This: Zika and microcephaly
Data from pregnant women with Zika in Colombia helped scientists probe whether Zika causes birth defects.
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ArchaeologyFossils point to Neandertal diets — and medicine use
Whether Neandertals were largely meat-eaters or vegans depended on their environment, fossils now suggest. Their teeth also indicate they used natural medicines.
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LifeHow to make a ‘three-parent’ baby
Scientists combined an egg, sperm and some donor DNA: The end result: what appears to be healthy babies.
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GeneticsExplainer: How PCR works
The polymerase chain reaction, or PCR, is like a DNA-copying machine. It duplicates genetic material over and over. Here’s how.
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GeneticsScientists find genes that make some kids’ hair uncombable
Scientists have pinpointed three genes that cause ‘uncombable hair syndrome’ in some kids.
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GeneticsWorld’s tallest corn towers nearly 14 meters
Short nights and a genetic tweak helped novel corn reach record heights.