Latest Science headlines

HIV Treatment Should Start With Diagnosis, U.S. Health Officials Say

Everyone with HIV should be put on antiretroviral drugs as soon as they learn they are infected.

Genetic testing is not flawless, study finds

Flaws in testing can result in some people wrongly advised to worry about a disease risk and others wrongly told they can relax.

Myanmar law tells some mothers to space children three years apart

Myanmar’s president has signed off on a law requiring some mothers to space their children three years apart.

Snakes with legs? Data sheds light on species’ ancestors

The most recent common ancestor of all living snakes was nocturnal and devoured prey whole using its hooked teeth as a hunting tool.

US effort attempting to save bees, butterflies

The plan aims to make make millions of acres of federal land more bee-friendly, and consider the use of fewer pesticides.

Heat waves expected to affect more

People are migrating into areas — especially in the South — where the heat is likely to increase.

Ideas

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/05/21/BostonGlobe.com/Ideas/Images/exec-function200-566.jpg Executive function not a panacea for education ills

Despite the promise and the hype, there isn’t solid evidence that improving executive function leads to better grades.

Instagram

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/12/17/BostonGlobe.com/Metro/Images/a4a68392593311e3a80a0a154a02c3a8_7-7210--90x90.jpg Boston Globe Instagram photos

A live stream of Instagram posts from The Boston Globe photo department.