Sunglasses reflect more than the light: a brief history of shades, from Ancient Rome to Hollywood
State Library Victoria Sunglasses, or dark glasses, have always guarded against strong sunlight, but is there more to shades than we think? The pupils of our eyes are delicate and react immediately to strong lights....
Continental drift: why the need for critical minerals might change the way we define Earth’s zones
Office of Ocean Exploration and Research/NOAA, CC BY-SA Continents and oceans have scientific definitions that underpin international law. The idea of dividing the world into geographical zones is ancient. Sovereignty and...

How do mosquito repellents work? A chemistry expert explains
Its summertime, and for many of us that means plenty of time outside and, unfortunately, mosquitoes. The combination of the increase in temperature and plenty of water is ideal for these blood-sucking insects to make...

If someone bumps into us on the footpath or in the mall, were generally quite forgiving. We instinctively apologise or step aside, and usually dont scream at, stalk, or attack the other person. But put us in a car, and...

Should I get a weighted vest to boost my fitness? And how heavy should it be?
Exercise training while wearing a weighted vest is undergoing somewhat of a renaissance. Social media posts and trainers are promoting them as a potential strategy for improving fitness and health. Exercising with...

Mozambique’s long struggle to build a nation – four novels that tell the story
Mozambiques long history of nation-building is still unfinished. The country is still pursuing a cohesive national identity, stable institutions, and the economic foundations that would unify diverse groups. This is...

Nigeria’s economy in 2025 doesn’t look bright – analyst explains why
Nigerians may be wondering whether the year 2025 will bring the renewed hope promised by the President Bola Tinubu administration or whether they are in for another year of economic despair. Nigerians are facing...