Animals
Meat-eating bees have something in common with vultures
Flesh-eating bees have acid-producing gut bacteria, much as vultures do. It lets them safely snack on rotting meat.
Genetics
More Stories in Genetics
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AnimalsWill the woolly mammoth return?
Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.
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AnimalsCloning boosts endangered black-footed ferrets
A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.
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MicrobesExplainer: Virus variants and strains
When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.
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PlantsHow Romanesco cauliflower grows spiraling fractal cones
By tweaking just three genes in a common lab plant, scientists have mimicked one of nature’s most impressive mathematical patterns.
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GeneticsJust a tiny share of the DNA in us is unique to humans
Some of these tweaks to DNA, however, may have played a role in brain evolution.
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GeneticsEurope’s ancient humans often hooked up with Neandertals
DNA from ancient bones shows humans and Neandertals were regularly mixing genes by about 45,000 years ago.
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LifeThese rabbits can’t hop. A gene defect makes them do handstands
Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.
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GeneticsLet’s learn about DNA
DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.
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LifeScientists Say: Egg and sperm
An egg or a sperm cell contains half of the normal genes an organism needs. They fuse together to form a new individual.