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4 articles from EurekAlert

Baby heartbeat reveals the stress of having a depressed or anxious mother

Scientists have shown that the babies of mothers dealing with anxiety or depression exhibit physiologically stronger signs of stress than babies of healthy mothers, when given a standard stress test. These babies show a significantly increased heart rate, which researchers fear may lead to imprinted emotional stresses as the child grows up

When methane-eating microbes eat ammonia instead

As a side effect of their metabolism, microorganisms living on methane can also convert ammonia. In the process, they produce nitric oxide (NO), a central molecule in the global nitrogen cycle. Scientists from the Max Planck Institute for Marine Microbiology, Bremen (DE), and Radboud University, Nijmegen (NL), now discovered the enzyme that produces NO, closing an important gap in our...