Study on starlings is the first to measure birds’ energy use directly rather than inferring it from other measurements
Read article: Birds save up to 25% of their energy when they follow a leader
Condensed natter: Physics World editors give their compressed verdicts on top new books
Read article: A love of triangles, the physics of spin, volcanic science and Pascal’s papers: micro reviews of the best recent books
Relationship between mass, wing area and wingbeat frequency holds true for insects, bats, birds, whales and even a flapping robot
Read article: Simple equation predicts how quickly animals flap their wings
Betty Barber reviews The Clockwork Conspiracy by Sam Sedgman
Read article: Decimal time: life in a world where our days are divided differently
New work validates key elements of balance theory put forward nearly 80 years ago
Read article: In real-world social networks, your enemy’s enemy is indeed your friend, say physicists
Here are the answers to the cryptic quantum-physics word search
Read article: Cryptic quantum-physics word search: the solution
Viewers in parts of Mexico, the US and Canada enjoyed a rare total solar eclipse yesterday
Read article: Dispatches from the Great North American eclipse of 2024
New work could change the way we think about how soft materials adhere to surfaces
Read article: Sticky materials un-stick themselves in jumps
Try our fiendish quantum-physics cryptic word search, created by Ian Randall
Read article: Can you solve this quantum cryptic word search?
Laser wavelengths depend on bubble's size, paving the way for bubble-laser-based sensors of pressure or ambient electric field
Read article: Soap bubbles transform into lasers
