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Monkeys and apes

Health

Why expanding access to Narcan in the US won’t solve the opioid crisis

The US has made a medication that rapidly reverses opioid overdoses available without prescription – it will no doubt prevent some deaths, but it’s not enough to tackle the opioid epidemic

Analysis

Solar panels and wind turbines at a new solar park near Prenzlau, Germany

Environment

Emissions from global electricity generation may have now peaked

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Life

Chimpanzees may have an adolescent growth spurt like humans

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Health

Genetic conflict with the fetus influences when women give birth

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Life

Stunning image shows the developing nervous system in a chick embryo

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Health

Drug overdose deaths have quadrupled among older US adults

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rippled graphene with dissociated hydrogen atoms on top

Chemistry

Graphene with ripples could help make better hydrogen fuel cells

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An embryo developing in the uterus at 8 weeks, 9 weeks and 10 weeks

Health

Miscarriages may be more likely to occur with slow developing embryos

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Health

Maternal mortality rate in the US rose drastically in 2021

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A transmission electron micrograph of HIV virus particles (pink) replicating from the plasma membrane of an infected immune cell

Health

Umbilical blood stem cell transplant puts woman in HIV remission

A woman is in remission for HIV after she received HIV-resistant stem cells from umbilical cord blood to treat her leukaemia

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Environment

US approves controversial Willow oil drilling project in Alaska

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Health

Changes to surrogacy laws must consider future reproductive technology

Comment

Chemistry

Soil bacteria enzyme generates electricity from hydrogen in the air

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Health

Covid-19 vaccines during pregnancy protect newborns from infection

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