Biology

Urban germs

Thirty-one of the same bacteria are found in cities on all continents

Harpy eagles are disappearing from parts of the Amazon

Preys for the largest eagle on Earth dwindle in deforested areas | 1'58

The crows and the empty set

With training, carrion crow were able to understand the empty set as a null numerical quantity close to one

Back to life after 24,000 years

Rotifers of the Bdelloidea class are multicellular invertebrate organisms so small that they are usually only seen under a microscope

The colors and songs of evolution

Varying plumage hues and song patterns lead to the formation of new species in certain bird groups

These birds show how species arise

Ornithologist Luís Fábio Silveira, curator of the bird collections at the Zoology Museum of the University of São Paulo (MZ-USP), explains how studies with capuchino seedeaters help understanding their diversification by means of evolution | 5'46

These nurseries can help to recover coral

Culture of damaged fragments onto 3D-printed cribs is a promising technology for restoring threatened reefs | 4'50

Embryonic research

Scientist from São Paulo wins international award and opens a laboratory in Germany to investigate reproductive processes

Coral nurseries

Mobile cultivation of damaged coral in precast frames is a promising technology for rehabilitating reefs

Public well-being

Public health experts are responsible for creating and implementing ways of protecting the health of the population

Where birds came from

Most species in the tropics emerged in extreme environments, such as deserts and mountains, before establishing themselves in other biomes

Brains shrink to save energy

In adverse conditions, such as when it is cold or food is scarce, the brain of some rodents shrinks in size, helping to conserve energy

Fungus genetics

Researcher from the University of São Paulo earns international recognition for his contributions to the field of microbiology

Underwater stars

When disturbed by a physical bump or a beam of light, the tunicates Pyrosoma atlanticum emit a turquoise light

“I began valuing my personal relationships more during the pandemic”

Understanding biological systems

Brazilian scientist creates new laboratory at US university to study biological systems

Quantum biology

Emerging field demands interdisciplinary collaboration and knowledge of both chemistry and physics

Monitoring the evolution of COVID-19

Blood levels of a particular protein can indicate the severity of coronavirus infections and guide the response of the attending health care team

Pond life

Tadpoles are as easy to find as they are difficult to identify

The faithful frog

Saxicolous frogs only reproduce with two or three specific females, behavior never before seen in amphibians

Two species of mata-mata

New analyses have revealed that there are at least two species of mata-mata

A dose of Darwin in taxonomy

New method of classifying living organisms favors evolutionary history and abandons the divisions of the Linnaean system

Venomous amphibians

Caecilians are venomous animals, capable of injecting venom into their prey, say researchers from the Butantan Institute

The living being in the equation

Researcher combines exact and life sciences to measure the SARS-CoV-2 virus's potential to spread

Mutilated courtship

Scorpions of the genus Ananteris can shed their stinger when attacked

Natural guests

Abundant viruses contribute to the genetic diversity of life on Earth and may have emerged four times throughout the planet's history

Gene affects the height of Peruvians

Genetic alterations may partly explain why Peruvians are one of the shortest peoples in the world

The bigger the tusk, the better

Biologists measured the tusks of 245 males collected in Greenland from 1983 to 2018 and concluded that the organ may play a role in sexual selection

How science helps environmental conservation

Biota-Fapesp program reaches its 20th anniversary lending scientific bases to the creation of nature preservation areas and the search for sustainable development in São Paulo state

Dedicated to nature

Researcher switches from business administration to biology and becomes a leading expert in environmental preservation