Recent findings reveal that the second X chromosome in female cells is not dormant as previously believed, suggesting a connection to greater longevity and cognitive resilience in women. Studies conducted on mice showed that activating this 'silent' chromosome can improve cognitive function. Alongside this, evidence from Tanzania has pushed back the use of bone tools by ancient humans to 1.5 million years ago, demonstrating an advanced understanding of tool-making. Moreover, investigations into mouse neuron functions reveal insights into decision-making processes related to task engagement and exploration, highlighting essential neurotransmitter roles.
The second X chromosome in female cells could illuminate the resilience of women to cognitive decline, with research showing activated expression might enhance cognitive performance.
Bone tools discovered in Tanzania have been dated to around 1.5 million years, revealing ancient humans used tools much earlier than previously estimated.
Research on mouse neurons indicates that manipulating neurotransmitter activity can influence decision-making processes like persistence or exploration among tasks.
The NIH's decision to terminate many diversity-related grants raises concerns about future funding and support for these critical areas within research.
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