Life found a way at Smithsonian’s National Zoo, where a female Asian water dragon at the Reptile Discovery Center underwent facultative parthenogenesis—that is, she reproduced and contributed a ...
Previous studies indicate that some populations of the little fire ant, Wasmannia auropunctata, display an unusual reproduction system polymorphism. Although some populations have a classical ...
When we talk of “single parents,” we refer to a family that has only a mother (or sometimes only a father) raising the offspring. But there’s another way to be a single parent — when an individual ...
Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...
The California condor is one of the rarest birds in the world, but now it seems that nature is giving it an unexpected leg-up. Scientists have discovered two condor chicks that were born from ...
It usually takes two snakes — a female and a male — to make a litter of baby copperheads. But research now shows that copperheads (Agkistrodon contortrix) and their venomous cousins cottonmouths ...
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