Health in Your Hands Get involved
HomeProgramsField notes Get involved
A researcher poles a canoe across still reservoir water
Field notes

Dispatches from
the water's edge.

Short, dated notes from our projects — what the team saw, screened, and learned, tagged by program across our work in global health.

The journal

Browse the field

Read the note
12 JUN 2026 SCOPE

SCOPE: a gathering of minds

A field note from the SCOPE Symposium at Stanford — schistosomiasis control through a One Health lens. Snail-scooping on the Oyan River, aquaculture in Senegal, low-cost diagnostics, and a puzzle built to teach the parasite to schoolchildren.

FocusSchistosomiasis · LocationStanford
Read the note
31 DEC 2025 IDEA GARDEN

A bank for problems worth solving

An Idea Garden note on the “valley of death” in healthcare innovation — and Project Prana’s plan for a globally sourced problem bank that pairs real clinical needs with the innovators who can solve them.

Emerging ideas · Global
Read the note
15 DEC 2025 IDEA GARDEN

A slit lamp you can 3D-print

An Idea Garden note on a portable, 3D-printed slit lamp paired with a smartphone — the published evidence that it works, and a 2026 plan to validate it in a real Houston clinic workflow.

Emerging ideas · Houston
Read the note
22 JUL 2025 SCOPE

Community visits and searching for snails

Nigeria Field Notes, Part II. From the Ogun State Ministry of Health to the western edge of the reservoir at Imala Odo — community permissions, smoked-fish shops, and a first survey of the freshwater snails that carry the disease.

Schistosomiasis · Nigeria
Read the note
19 JUL 2025 SCOPE

Tiny microscopes and big ideas

Nigeria Field Notes, Part I. Notes from the first days in Abeokuta: a room full of motivated researchers, a market-floor experiment to pick the right phone for the Foldscope, and the urgency of doing this work now.

Schistosomiasis · Nigeria
Read the note
24 JUN 2025 SCOPE

A simpler schisto filter, cut with Occam's razor

A lab note on the search for the simplest possible schisto filter — reusable nylon mesh, acrylic coverslips, and a string of dinner-napkin ideas, weighed against the constraints of materials, durability, and optics.

Schistosomiasis · Nigeria
Read the note
14 JUN 2025 SCOPE

Securing parasitic egg samples in San Francisco

Through a friend of a friend, a vial of Schistosoma haematobium eggs travels from a UCSF freezer, to a Bay Area lab, and all the way back to Houston. The story of how an unexpected connection put the exact specimen our diagnostics need into our hands.

Schistosomiasis · Nigeria