New diagnostics are helping us fight back against Alzheimer’s

Remembering my best friend

Here are five memoirs that inspired my own

Why I care about saving lives

The work of making the world better is a group effort. Thank you for an 25 incredible years.

Singapore has set ambitious goals to advance global health and tackle climate challenges

Singapore is a hub of tech and innovation

Given the right tools and opportunities, entire communities can be transformed

Meet the female drone pilots who are taking India’s agricultural productivity to new heights

Half a century of Microsoft

Currier House had it all: burgers, poker, and endless inspiration for life-changing ideas

Every trip to India is special, but this year’s was particularly meaningful

My favorite author Vaclav Smil’s new book How to Feed the World is a must-read.

India is tackling some of the world’s hardest problems in creative ways

My interactive baseball game wasn’t exactly a homerun—but it pushed me to try new ways of thinking

How to Feed the World makes one thing clear: solving hunger will take more than producing more food

The first video game I ever wrote, a version of Lunar Lander, was a crash course in coding—literally

In third grade, I strived for what they once called an A3: high grades with little effort

I may have taken the instructions to “bring some interesting” a little too far

At the Gates family Christmas parties, Santa wore roller skates

One of my first jobs? Filing bug reports with Paul

I’ve always been an eager reader.

Meet the four—yes, four—Bill Gates

Once a scout, always a scout

Why does soda stay fizzy if you put the cap back on?

Donovan’s Greatest Hits: still one of the greatest albums

Want to learn about Delaware?

It’s hard to overstate my mom’s influence on me—even through my more rebellious years.

Source Code is my origin story

Four books to help make sense of the world around us

The next wave of HIV prevention is here

How Africa reduced HIV infections by over 80 percent.

Meet the plant scientist changing the future of farming

Everyone deserves a fair start—in sports and in life

Together, with a lot of innovation and enormous generosity, progress is possible

Can someone find that magic wand?

You might think Bernie and I are an unexpected duo, but we had a great discussion

These days, I text her... to say that I’m sending her an email. “What’s Next?” is out now.

AI is the biggest technological advance in my lifetime

In Africa, HIV infections are down by over 80%

Mobile money is empowering people across Africa

Sub-Saharan Africa has made amazing progress in education

How smallholder farmers transformed Ethiopia’s wheat production

Let’s smash these deadly diseases

The newest weapon in the fight against mosquitoes: computer vision

To save millions of lives, we have to break malaria’s vicious cycle

Mosquito Week is back.

Why online learning is a game-changer for some students