
How do instant heat packs work? A chemist explains
From slowly rusting iron to quick crystals, heat packs and hand warmers use simple but clever chemistry to keep you toasty.
Independent Analysis and Reportage

From slowly rusting iron to quick crystals, heat packs and hand warmers use simple but clever chemistry to keep you toasty.

History suggests that without legal and moral accountability, reconciliation and durable peace will remain elusive.

A royal commission focused on individual criminality may not address the underlying conditions that allowed corruption to flourish.

Renters account for an increasingly larger share of the adult population. Research analysing more than 25 years of voting data shows what this means politically.

Extreme fire conditions converged in suburban neighborhoods built into the forests, shrubland and grasslands and quickly spread.

The ongoing war in Iran has created an expanding zone of risk for shipping, including for Saudi Arabia’s strategy of redirecting oil exports away from Hormuz.

Lemurs and other native animals are rare in recovering forests.

The changing face of demographics, immigration, social attitudes and LGBTQ+ politics.

Sovereign creditworthiness is interpreted and reassessed through several overlapping evaluations.

At local level, many grassroots initiatives are cropping up to tackle unforeseen climate-related events, but improvising and instinctive ways of working are often overlooked in public policy.

Carbon dioxide removal is different to carbon capture, utilisation and storage. It’s easy to confuse the two processes but they tackle different problems.

Partner nations say the jet will give them military advantage in an increasingly unstable world.