An Australian court is being asked to decide whether a transgender woman should be allowed to join a women-only social media platform, in a case that tests the legal definitions of sex and gender.

Federal Court Justice Robert Bromwich has granted “an extension of time” to Roxanne Tickle “in the interest of justice”. Ms Tickle has also won costs of $50,000 after Giggle for Girls Pty Ltd and its ...

Can you tickle yourself if you are fooled into thinking that someone else is tickling you? A new experiment says no, challenging a widely accepted theory about how our brains work. Jakob Hohwy and ...