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drug trials

People queue for a PCR covid-19 test in Johannesburg, South Africa, on 30 November 2021

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Covid-19 news archive: April 2022

This is an archive of the New Scientist daily covid-19 news update: April 2022. Updates from: March 2022, February 2022,  January 2022, November/December 2021, September/ October 2021, July to September 2021, June/ July 2021, May 2021, March 2021, February 2021, January 2021

News

ANKARA, TURKEY - DECEMBER 13: Chemical and hazardous wastes collected through hospitals and collection - sorting plants are being destructed at Recovery and Disposal Facility in Kahramankazan district of Ankara, Turkey on December 13, 2021. (Photo by Berke Bayur/Anadolu Agency via Getty Images)

Chemistry

Chemical waste can be recycled into a range of drugs and fertilisers

News

A person at a covid-19 test centre in Newcastle-under-Lyme, UK, on 21 December

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Covid-19 news archive: March 2022

News

Covid-19 news archive: February 2022

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Covid-19 news archive: February 2022

News

Covid-19 news archive: January 2022

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Covid-19 news archive: January 2022

News

Covid-19 news archive: November to December 2021

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Covid-19 news archive: November to December 2021

News

Covid-19 news archive: September to October 2021

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Covid-19 news archive: September to October 2021

News

Changing how drugs are approved in England mustn't endanger safety

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Changing how drugs are approved in England mustn't endanger safety

Comment

Covid-19 news archive: July to September 2021

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Covid-19 news archive: July to September 2021

News

Modafinil - tired woman covering eyes with post it

Definition

Modafinil

Modafinil, a drug licensed for sleep disorders, is also widely used as a study drug or cognitive enhancer, but the evidence for its effectiveness in this domain is scant.

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How brain scanners can help us revolutionise psychiatric drugs

Features

Video

Caroline Criado Perez: Inside the data gender gap

Video

Question

How do antibiotics work?

Humans

Traces of five drugs found on 1000-year-old South American ritual kit

News

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