KAMPALA, Uganda — Laker Fatuma’s big smile threatens to turn up the wattage in the already bright Ugandan sky as she rolls bright-green beads in the shade of a mango tree. Fatuma has reason to smile: ...

While science and crafting may seem disparate, Lawther — the owner of String Bead, a beading and jewelry-making supply store in Chico — said there’s more commonality between the two than one would ...