Free to all — NYTimes: “What Flying in a Wind Tunnel Reveals About Birds. Some birds migrate thousands of miles every autumn. How exactly do they manage it? Scientists built a flight chamber to find out.” https://www.nytimes.com/2024/10/11/science/birds-migration-wind-tunnel.html?unlocked_article_code=1.Sk4.wvBl.hFVRz_j-Awev&smid=nytcore-ios-share&referringSource=articleShare&tgrp=bth A. Shippee, Hamden, CT Sent from my iPad