Hannah Fry Quotes & Sayings

As girls go through puberty, their hormones will have a direct impact on how their facial features develop. Women with high levels of estrogen will end up with full lips and a large waist-to-hip ratio, while women with lower levels of androgen, the steroid hormones, will keep their short and narrow jaws from childhood, along with their flatter brows - giving them much larger eyes. And - surprise, surprise - this balance of female hormones is also positively linked to fertility. — Hannah Fry

The most successful relationships are ones with a really low negativity threshold. In those relationships, couples allow each other to complain, and work together to constantly repair the tiny issues between them. In such cases, couples don't bottle up their feelings, and little things don't end up being blown completely out of proportion. — Hannah Fry

An arguing couple spiraling into negativity and teetering on the brink of divorce is actually mathematically equivalent to the beginning of a nuclear war. — Hannah Fry

This is known in economics as the "decoy effect." What it demonstrates is that the presence of an irrelevant alternative can change how you view your choices. It has been exploited by marketing experts for decades. — Hannah Fry