The extracellular matrix is a complex network of material such as proteins and polysaccharides that are secreted locally by cells and remain closely associated with them to provide structural, ...

An NBER trial of 6,997 US middle schoolers found a guard-railed AI math tutor improved post-mistake recovery but slowed practice, with modest delayed gains when paired with mastery.

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🔔 Claude Scientific Skills is now Scientific Agent Skills. Same skills, broader compatibility — now works with any AI agent that supports the open Agent Skills standard, not just Claude. ⭐ Help make ...