Science & Technology

Man in a red jacket sitting against a backdrop of green foliage and pink flowers.

Ronny Chieng is Harvard’s Class Day Speaker

The comedian, actor, and The Daily Show correspondent will address the 2026 College graduating class on May 27.

by Schuyler Velasco

Illustration of scientists injecting large syringe with mitochondria into human heart.

Do Mitochondria Hold the Power to Heal?

From Alzheimer’s to cancer, this tiny organelle might expand treatment options. 

by Max J. Krupnick

potatoes

Hold the Fries

Baked, boiled, and mashed potatoes are better.

by Vivian W. Rong

Nicolo Maestas in a grey suit and wearing glasses sits with her arms on a table

Harvard Economist Nicole Maestas on Aging and Health Policy

The Harvard health economist not afraid to get in the weeds

by Max J. Krupnick

AI robot wearing a white doctor's coat in the hallway of a hospital emergency room

AI is Making Medical Decisions—But For Whom?

Doctors warn that without an ethical framework, patients could be left behind.

by Olivia Farrar

JoAnn Manson (center, in blue) meeting with research staff

Federal Funding Cuts Impact the Women's Health Initiative (WHI)

A veteran women’s health advocate on federal funding cuts

by Lydialyle Gibson

Group of men and women at the Nobel Prize ceremony

Countway Library

Countway Library exhibit explores historic anti-nuclear activism

by Nell Porter-Brown

Lisa Iezzoni smiling while riding a motorized wheelchair on a paved path through a grassy area

Addressing Gaps in Care for Patients with Disabilities

Lisa Iezzoni explores the unmet needs of patients with disabilities.

by Lydialyle Gibson

Silhouette of a head filled with a street map, with a taxi driving into the brain

Why Taxi Drivers Don’t Die of Alzheimer’s

Explaining taxi and ambulance drivers’ protection against Alzheimer’s disease.

by Erin O’Donnell

Minimalist dove flying above a lake with its reflection below and sun overhead

Biology's "Mirror Organisms"—And Their Dangers

Life forms built from left-handed DNA and RNA could threaten Earth’s plants, animals, and insects.

by Ann Thomas

3D illustration showing structure of measles virus with surface glycoprotein spikes heamagglutinin-neuraminidase and fusion protein

How Measles Causes Immune Amnesia

Michael Mina explains “immune amnesia” and the lasting impact of infection.

by Jonathan Shaw