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We show that the p53-Mdm2 gene interaction can be understood as a form of antithetic feedback, but with mixed feedback loops. In particular, we show that this viewpoint sheds light on the emergence and robustness properties of p53's oscillatory behaviour, as observed experimentally.
We haven't written up this one. bioRxiv has the full story — the link below goes straight to it.
Fossils from southeastern France reveal a previously unknown, roughly 2.5-m (8-foot) long tethysaurine mosasaur that appears to have lived in a freshwater lake, not the sea.
(Portland State University) It's like a tiny, salty star. Don't miss a story, subscribe here.
About 5,500 years ago, several dozen hunter-gatherers died near Lake Baikal. DNA from the bacterium that causes plague survived in their teeth.
In "Bloons Tower Defense," the goal is to stop balloons from reaching the end of a track by strategically placing towers along the route.
Korea's homegrown Nuri rocket began its journey to the launchpad Tuesday, a day before its scheduled fifth launch, the country's space agency said.
