Why conspiracy theorists 'want to believe'

Democrats aim to design a presidential nomination process that gives everyone a voice – and produces a winning candidate

Barbara A. Trish, Grinnell College

The Iowa caucuses have traditionally heralded the start of the Democratic Party’s presidential nominating contest. But the party, eager to maintain the White House, is redesigning that process.

How the tampon shortage is exacerbating period poverty in the US

Marni Sommer, Columbia University

A severe shortage of tampons alongside sharp price increases have sparked concerns that lower-income women may have difficulty accessing menstrual products.

Climate change is making flooding worse: 3 reasons the world is seeing more record-breaking deluges

Frances Davenport, Colorado State University

Destructive flooding in Yellowstone and Australia are a taste of the risks ahead in a warming world.

Browser cookies make people more cautious online, study finds

Elizabeth Stoycheff, Wayne State University

Cookie notifications remind people that they are being tracked, which affects how people behave online.

Why do kids have to go to school?

Hawani Negussie, University of Massachusetts

The core principle of education is to enable students to become kind, giving and contributing members of their community and the world.

A window into the number of trans teens living in America

Jody L. Herman, University of California, Los Angeles; Andrew Ryan Flores, American University; Kathryn K. O’Neill, University of California, Los Angeles

A new study that breaks down the number of trans teens by state could give policymakers a better idea of how many kids will be affected by anti-trans legislation.

Tour de France: Analyzing what makes cycling’s premier race exciting

Trophy hunting will not save Africa’s lions – so the UK ban on imports is a positive step for wildlife conservation

Roe v Wade: A philosopher on the true meaning of ‘my body, my choice’