Biology
Retrospect
Amazement and horror in nineteenth-century Rio
Paintings by two artists who accompanied Darwin on the Beagle voyage recorded the exuberance of nature and social contrasts
By Suzel Tunes
Cover
Amazonian Giants
Expedition investigates the scientific enigma of 80-meter-tall trees in Amapá
Photolab
Nest watch
Biologist mimics real-life situations near nests to see how thrushes react while caring for their young
By Redação
Oceanography
Greater marine protection needed
Document highlights the sea’s importance to the economy and climate regulation
By Redação
Citizen science
App for studying pollinators
App used to record visits to flowers by bees, flies, and hummingbirds
By Redação
Zoology
Unique fauna at Pico da Neblina
Scientists discover two new families of frogs at Pico da Neblina
By Redação
Photolab
Versatile sphere
When suspended in a liquid, cultured cells form clusters known as spheroids
By Redação
Electronic engineering
Carnaúba: an X-ray supermicroscope
The longest light beamline of Sirius in Campinas, São Paulo State, provides details on fossil histories, interaction of plants with the soil, and impurities in diamonds
Ecology
Parasites that turn spiders into zombies
Infected by fungi, invertebrates climb higher to die
Biology
A snake that squeaks
Snake found by students makes a sound like a chirp when defending itself
By Redação
Medicine
Spiders, allies of men
The Brazilian wandering spider serves as inspiration for erectile dysfunction drug
By Redação
RESEARCH ITINERARIES
Art that imitates life
Biologist and taxidermist Paulo César Balduíno has spent almost 40 years preparing animals for scientific collections and museum exhibitions
Photolab
Underground garden
Microscopic view of fungi cultivated by leafcutter ants allows us to understand how they grow from leaves
By Redação
INTELLECTUAL PROPERTY
Obstacles to innovation
Knowledge about Zika and Chikungunya resulted in several patents, but few products within public reach
Health
The sensitive eyes of women
Women at higher risk than men of suffering ocular toxoplasmosis multiple times
By Redação
Biology
Mimicking smell key to survival
Similar smell prevents fighting between termites of different species within the same termite mound
By Redação
Biology
Devastating invasion of the Brazilian sea
Lionfish are spreading along the Brazilian coast, having a harmful effect on fishing and the survival of native species
By Redação