The Friday Five covers five stories in research that you may have missed this week. There are plenty of controversies and troubling ethical issues in science – and we get into many of them in our online magazine – but this news roundup focuses on new scientific theories and progress to give you a therapeutic dose of inspiration headed into the weekend.

Here are the stories covered this week:

• The eyes are the windows to the soul - and biological aging?
• What bean genes mean for health and the planet
• This breathing practice could lower levels of tau proteins
• AI beats humans at assessing heart health
• Should you get a nature prescription?

Leaps.org is a not-for-profit initiative that publishes award-winning journalism, popularizes scientific progress on social media, and hosts events about bioethics and the future of humanity. Visit the platform at www.leaps.org. Podcast host Matt Fuchs is editor-in-chief of Leaps.org.