How tumors hide from killer T cells

Tumors can hide from killer T cells

Tumors can reduce the signals on their surface that killer T cells use to recognize them. They can also release signals that weaken immune cells. Both tricks can help abnormal cells survive and grow into cancer.

A tea glut helped provoke the Boston Tea Party

In 1773, the financially troubled East India Company had 18 million pounds of unsold tea in British warehouses. The government gave it a loan and access to American markets on terms that favored it over colonial importers. This helped provoke the Boston Tea Party, one of the incidents leading to the American Revolution.

A sea trade in jade lasted more than 3,000 years

3,000+ years

An ancient sea trade network connected Taiwan, the Philippines, and other parts of Southeast and East Asia. Jade was mined in Taiwan and much of it was worked in the Philippines. The network lasted at least 3,000 years and began before the Silk Road.

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How tumors hide from killer T cells

Tumors can hide from killer T cells

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