How Alexander's conquests spread Greek settlement into Central Asia

Greek migration reached as far as modern Pakistan

Alexander the Great’s conquests encouraged Greeks to move into newly founded cities across the Near East. Greek settlement reached as far east as present-day Afghanistan and Pakistan, greatly expanding the Greek world.

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.

Offshore fishing spread before cod stocks collapsed

From the 1950s to the 1970s, fleets fishing far from home greatly increased their capacity and reached farther offshore and into deeper waters. Rules for fishing in international waters were slow to develop. By the early 1990s, the cod fishery had collapsed, along with stocks of several deep-sea fish.

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How Alexander's conquests spread Greek settlement into Central Asia

Greek migration reached as far as modern Pakistan

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