Medical research

Ageing impairs critical final egg maturation stage

Age may adversely affect women's fertility by impairing levels of RNA molecules which in turn alter the function of genes involved in key biological pathways during the final maturation stage of a human egg cell, according ...

Vaccination

New EU vaccine probe deepens Europe's COVID woes

Europe's stuttering vaccine rollout faced multiple hurdles on Friday as EU regulators said they were reviewing side effects of the Johnson & Johnson shot and France further limited its use of the AstraZeneca jab.

Neuroscience

Brain cells decide on their own when to release pleasure hormone

In addition to smoothing out wrinkles, researchers have found that the drug Botox can reveal the inner workings of the brain. A new study used it to show that feedback from individual nerve cells controls the release of dopamine, ...

Diseases, Conditions, Syndromes

Italy reduces quarantine for UK travellers

Italy will allow passengers from the United Kingdom, Austria and Israel to undergo a shorter, five-day quarantine on entering the country under new regulations that take effect on Tuesday.

Vaccination

Austria in talks to buy one million Sputnik V doses

Austria said on Tuesday it was negotiating with Russia over the possible purchase of one million doses of the Sputnik V vaccine—which has yet to be approved by EU regulators.

Diseases, Conditions, Syndromes

Ireland starts mandatory hotel travel quarantine

Ireland began enforcing a mandatory hotel quarantine for travellers arriving in the state from 33 "high risk" countries on Friday in a bid to quash the spread of new coronavirus variants.

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