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Climate
Trees cool the environment, but they also heat it up
Urban trees have a greater cooling effect in hot, dry cities
By Redação
Epidemiology
Stay away from wild birds
US reports first human death linked to highly pathogenic strain of H5N1 virus
By Redação
Policy
US withdraws from Paris Agreement and WHO
US President signs executive orders withdrawing the country from Paris Agreement and WHO
By Redação
Renewable energy
Flying high, day and night, on solar power
Solar-powered aircraft flies for 24 hours, climbing 20 km and crossing the stratosphere
By Redação
Physics
Magnetic North changing location
Magnetic North Pole is moving away from Canada towards Siberia
By Redação
Environment
How to harness methane
US institute develops catalyst capable of converting methane into useful compounds
By Redação
Public health
Lesser-known dangers of alcohol
US Surgeon General warns of link between alcohol consumption and seven types of cancer
By Redação
Agriculture
Greater exports, lower biodiversity
Increase in exports to major consumer markets contributes to biodiversity loss
By Redação
Animal behavior
Social isolation leads to disorders
Chimpanzees raised in isolation face challenges in social interaction
By Redação
Astrophysics
Space centaur
James Webb Telescope captures detail of comet that behaves like an asteroid
By Redação
Medicine
Obesity drug disappoints
Anti-obesity drug proves less effective than hoped in clinical trial
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Communication
Portuguese telegraph
São Paulo's first telegraph used a system of small windows to encode messages
By Redação
Infectious diseases
Exchanging ideas… and microbes
Social interaction facilitates exchange of microorganisms between people
By Redação
Ecology
Helping Charlotte swim
Sea turtle given weighted harness to correct syndrome that caused swimming problems
By Redação
LETTER FROM THE EDITOR | 348
Learning with few parameters
Anyone who grew up reading comic books way back in the twentieth century probably remembers advertisements for correspondence courses. In this first generation of distance learning, technical, professional, and supplementary programs were taught by mail. It was possible to complete elementary and high school education, qualify as a machinist, or my favorite, to become a... View Article
photolab
Roland Garros, inside out
It looks like a tennis ball, but it is actually a microstructure that could be used to produce refractory ceramics
By Redação
RESEARCH ITINERARIES
André Kaysel uses technology and other aids to overcome visual impairment
UNICAMP professor investigates Brazilian political thought in the context of Latin America
AGRICULTURAL ENGINEERING
Robot eliminates invasive plants and insects that damage crops
Robot eliminates invasive plants and insects that damage crops
THERMODYNAMICS
Cold beer for longer
Tall, narrow-based glass with trumpet mouth keeps the beverage cooler during consumption
ATMOSPHERIC CHEMISTRY
Gas in the Amazon rainforest accelerates cloud formation
Trees emit isoprene, which reacts with other molecules and increases the production of cloud condensation nuclei 100-fold