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United States

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Technology

Nuclear security push bleeding cryogenic science dry

This week, members of the US Congress will mull how to fix the shortage of helium-3 caused by demand for nuclear contraband detectors

News

Briefing: New law claims a fetus can feel pain

Health

Briefing: New law claims a fetus can feel pain

News

Bandwidth hogs eat away at principle of net neutrality

Technology

Bandwidth hogs eat away at principle of net neutrality

News

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Health

Health worries over antibacterial soap additive

News

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Technology

World's largest laser blasted over fusion plan

News

Which is the greenest US city of all?

Earth

Which is the greenest US city of all?

News

Drilling deep under the US to dispose of nuclear waste

Earth

Drilling deep under the US to dispose of nuclear waste

News

Risk to Everglades is Florida's shame

Earth

Risk to Everglades is Florida's shame

Comment

A killer in the bat cave

Life

A killer in the bat cave

Features

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Humans

Federal rules will curb tobacco sales to US teens

Shopkeepers and tobacco makers face severe new restrictions on the sale and marketing of cigarettes to young people

News

Health

Personalised cancer trial promises better drugs faster

News

Health

Payout offered to 9/11 dust plume victims

News

Earth

Battle over climate science spreads to US schoolrooms

News

Earth

US still responsible for most CO2 emissions

News

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