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As climate change and pollution imperil coral reefs, scientists are deep-freezing corals to repopulate future oceans
Healthy corals like these on Australia’s Lady Elliot Reef could disappear by the 2030s if climate change is…
New electrochemical technology could de-acidify the oceans – and even remove carbon dioxide in the process
Charles-Francois de Lannoy, McMaster University; Bassel A. Abdelkader, McMaster University, and Jocelyn Riet, University of Toronto In the…
I’ve studied sand dunes for 40 years – here’s what people find most surprising
Sand dunes in Mongolia’s Gobi Desert can stretch for 100km. mr.wijannarongk kunchit David Thomas, University of Oxford The…
For the Maya, solar eclipses were a sign of heavenly clashes − and their astronomers kept sophisticated records to predict them
El Castillo pyramid illuminated at night under a starry sky in Chichen Itza, Mexico, one of the largest…
How medieval chroniclers interpreted solar eclipses and other celestial events
Giles Gasper, Durham University and Brian Tanner, Durham University Over 800 years ago, around 1195, Gervase, a monk…
A total solar eclipse presents a unique opportunity to witness a rare phenomenon — but protect your eyes
Witnessing an eclipse requires taking safety precautions. (Shutterstock) Robert Knobel, Queen’s University, Ontario A solar eclipse is a…
The total solar eclipse is a cosmic spectacle well worth the hype
A composite photograph of the solar eclipse on Dec. 26, 2019 in Liwa, United Arab Emirates. (Abed Ismail/Unsplash)…
Dehydration: how it happens, what to watch out for, what steps to take
Anastasia Ugwuanyi, University of the Witwatersrand Dehydration is a big issue during unusually hot weather and outbreaks of…
Are you one of the millions about to have cataract surgery? Here’s what ophthalmologists say you need to know
Cataract surgery removes the clouded lens of the eye and replaces it with a new, clear lens. Ivan-balvan/iStock…
A brief guide to clothes recycling – sustainability expert unpicks how your discarded garments get processsed
According to a textile sorter and processor based in the East Midlands, approximately 40% of sorted garments were…