Editor's note

The next 24 hours will be special for millions of people in Africa, Australia, Asia, Europe, and South America as the sky offers up some special treats. The first is a full lunar eclipse. Though not rare, this will be the longest this century – a full 1 hour and 43 minutes. They normally don’t last more than an hour and the next one this long won’t be coming round for another 100 years. The moon will also be spectacularly red. To top it all, Mars will be looking fairly spectacular too. Daniel Cunnama explains it all.

Research has shown that it’s beneficial for children with HIV to start treatment as early as possible. But, until now, nobody’s looked at the impact on the cohort of children who were born at the turn of the century and started ARV treatment over the next 10 years. Mary-Ann Davies and Amy Slogrove discuss what their research has uncovered.

Caroline Southey

Editor

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A super blue blood moon is seen from Svalbard, Norway earlier this year. EPA-EFE/Heiko Junge

A guide to the longest full eclipse of the moon this century, and more

Daniel Cunnama, South African Astronomical Observatory

The longest lunar eclipse this century, and other special features such as Mars looking spectacular will be seen.

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ARVs and children: new research shows the devastating impact of a late start

Mary-Ann Davies, University of Cape Town; Amy Slogrove, Stellenbosch University

The first global comparison of adolescents that acquired HIV as newborns highlights the challenges around treatment.

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