Regulatory T cells help your immune system distinguish between ‘self’ and ‘nonself’ – and can open doors to better treatments for cancer, autoimmune disease and transplant rejection.

Asking students to identify an example of what something is—and importantly, what it isn’t—helps establish clarity and leaves little room for misconception.

With Windows 10 support set to end on Oct. 14, it's high time to find a replacement if you're still rocking a pokey old PC. As of October 2025, I think the best Windows laptop for most people is the ...