A butterfly’s center of mass while hovering may look random and jagged, but it’s key to counteracting gravity, potentially inspiring micro aerial vehicles.
articles
Eldercare Robot Helps People Sit and Stand, and Catches Them if They Fall
The new design could assist the elderly as they age in place at home.
Antibiotics from Human Use are Contaminating Rivers Worldwide, Study Shows
Millions of kilometres of rivers around the world are carrying antibiotic pollution at levels high enough to promote drug resistance and harm aquatic life, a McGill University-led study warns.
Vortex Variety Hour
Winds blowing across the Kuril Islands, between northern Japan and Russia’s Kamchatka Peninsula, sent clouds spinning into compact coils and sprawling swirls on a spring day in 2025. The MODIS (Moderate Resolution Imaging Spectroradiometer) on NASA’s Aqua satellite captured this image of the vortices on April 14, 2025.
Net-Zero Homes are Touted as a Solution to Climate Change
Net-zero homes use natural energy sources and are designed to use less energy and, as such, are considered important in the fight against climate change.
New Global Model Shows How to Bring Environmental Pressures Back to 2015 Levels by 2050
A first-of-its-kind study in Nature finds that with bold and coordinated policy choices—across emissions, diets, food waste, and water and nitrogen efficiency—humanity could, by 2050, bring global environmental pressures back to levels seen in 2015.
