Highlights

The flight of the dandelion seed

Researchers used fluid dynamics equations to analyze the flight behavior of dandelion seeds and modeled the airflow patterns that form around the pappus as it floats through the air

Social inclusion in higher education

“I see too many cases where nothing ever happens”

Journalist Ivan Oransky, creator of the Retraction Watch website, discusses how the fight against scientific misconduct has evolved in recent years

Inside the vines

The dyed stem cross-sections in the images show the stiffer and the more flexible parts of forest vines

Profile: Thoroh de Souza

Physicist and classical singer planned a research center aimed at making basic science into high technology products.

In cells, the answer

Scientist combines knowledge of molecular biology and information technology to create genetic testing startup

Academic transparency

Résumés should always be checked to ensure accuracy and consistency

An ecologist in the New World

Naturalist Alexander von Humboldt explored the Americas in the early nineteenth century and alerted the world to human impact on the environment

Much more than a photographer

A retrospective on Marc Ferrez brings to light his dialogue with science and expands knowledge of his work

Enhanced treatment

Studies identify new evidence that cash transfer programs help fight tuberculosis in Brazil

Disarming Violence

Curbing Brazil’s homicide epidemic hinges on restricting access to firearms, fresh research suggests

Cleaner flight

Embraer and WEG team up to develop electric propulsion systems for aviation

Lab-grown beef

Research into meat made from plants or animal cells with the same taste, smell, and texture as traditional beef is advancing quickly

The unexpected power of friction

Brazilian and German scientists explain unexpected motion of barrel in explosive ping-pong ball experiment

Environmental acoustics

Audio recordings are used to profile ecosystems and identify changes caused by humans