Meghie Rodrigues

CLIMATE CHANGE

Lack of maintenance and design flaws prevented the flood containment system from protecting Porto Alegre

Damage could have been significantly reduced if the system, installed 50 years ago, had worked properly

By

CLIMATE CHANGE

Global warming threatens main Atlantic Ocean current system

Ice loss in Greenland puts Atlantic Ocean currents at risk

By

Environment

The silent drama of the Pampas

In the past four decades, 30% of the biome’s native vegetation has been occupied by soybean cultivation and even by planted eucalyptus forests

By

Climate

Global warming may increase the intensity of extratropical cyclones

The weather phenomenon caused deaths and destruction in southern Brazil in September

By

CLIMATE

El Niño has an 80% chance of being moderate to strong

Warming of surface waters in the Tropical Pacific changes rainfall and temperature patterns in Brazil and around the world

By

Climate

CFC emissions have increased 2.6-fold over the past decade

Atmospheric concentration of five types of gas responsible for destroying the ozone layer peaked in 2020

By

COVID-19

Thai version of vaccine similar to ButanVac induces good immune response

In phase 1 trials involving 210 people, the low-cost formulation produced more neutralizing antibodies than the Pfizer / BioNTech vaccine

By

ECOLOGY

Amphibian populations in the Atlantic Forest have declined over the last 130 years

The number of individuals of 106 species in the biome fell at some point between the end of the nineteenth century and the year 2020

By

Infectious diseases

Antibody neutralizes Zika in preclinical trials

A superpotent immunoglobulin M antibody stopped the virus in animal tests

By

PALEONTOLOGY

Fossil from Bahia classified as new species of camelid

Hemiauchenia mirim lived 20,000 years ago and was related to the guanaco

By

HEALTH

Mysterious childhood hepatitis

A new disease of unknown causes has already caused outbreaks in more than 20 countries, including Brazil

By

GEOLOGY

Oldest rocks in South America found in Bahia

3.65-billion-year-old material found in the Chapada Diamantina region

By

ECOLOGY

Transgenic zebrafish found in streams in the Paraíba do Sul basin, Minas Gerais

More than a hundred specimens of the fluorescent zebrafish were captured by researchers

By

Neuroscience

Epilepsy in vitro

Researchers use lab-grown mini-brains to simulate a type of epilepsy that is unresponsive to treatment

By