We have cut the number of child deaths in half over the last 20 years. New tools like these precision maps from 
@IHME_UW will help us cut child mortality in half again by 2030.  https://t.co/9XfRu6WuLK

Buildings are one of the five areas where we need a lot of innovation if we’re going to avoid a climate disaster. I wrote about one company with a particularly clever approach. https://t.co/OXdxSChPCX

A lot of work remains, but it’s exciting to see positive data on a drug candidate that may alter the course of Alzheimer’s disease. https://t.co/h97EBGqWyJ

I always like to try out a new TV show or two when I’m on the road. What should I watch next? I set up an Ask on @Likewise to collect your recommendations. https://t.co/6Knu7M3wyO

"This is a solvable problem." @CarbonCure (which I’ve helped fund through @btenergy Ventures) has developed an innovative way to reduce cement's carbon footprint: https://t.co/9gvmkPGtnT https://t.co/zaqUc3In6R

One of the best parts of my job is getting to work with some of the world’s most brilliant minds on seemingly intractable problems. Here’s how we’re trying to tackle one of the defining technical challenges of our time. https://t.co/F2Wd8vM4ia

This is one of the most important topics in medicine today: how can we make data more readily available for researchers to look for patterns and identify new pathways for treatment. https://t.co/hcji8sAhmy

The world has made incredible progress toward the goal to #endpolio thanks to partners like @MohamedBinZayed and the UAE. https://t.co/80j0A3MyJg

Melinda and I feel pressure to make every dollar and every day count, which is why we say no to a lot more opportunities than we say yes to. Working with partners around the world to #EndPolio has been a fight worth every dollar. https://t.co/a3gcP3M2HV

Tackling the world’s toughest health challenges requires the best that science has to offer. Thank you to @NIHDirector and @WHOAFRO for your partnership. https://t.co/85nrN9FFS2

Congrats to the 2019 winners of the @NobelPrize in chemistry! Few inventions have changed our lives as much as the battery, and the quest to build a better one is an important step in the fight against climate change. https://t.co/8XrKz2Zw1s