Highlights

Dogs carrying packs in Argentina 300 years ago

Dog apparently helped transport loads in Argentina

Nutrients for the brain

Fruit and vegetables prevent loss of cognition

Neanderthals were a little bit human

Some Neanderthal genes may have come from modern humans

Earth’s first rain, 4 billion years ago

Earth’s first rain may have fallen 4 billion years ago

Air pollution harms pollinators more than pests

Europe demands at least 30% of ecosystems to be restored by 2030

Air pollution harms pollinators more than pests

Air pollution harms pollinators more than pests

The cannabinoid tree

Jamaican nettletree produces cannabinoids, like cannabis

Read the international issue

In step

Thousands of years ago, Indigenous peoples made rock etchings beside dinosaur footprints in Paraíba, Brazil

Plural voices

Research into variants of Portuguese, sign and indigenous languages indicates linguistic diversity and prejudice in Brazil

Printing human tissue

Artificially produced skin, livers, and intestines emerge as an alternatives for cosmetic testing on animals

The race for perovskite solar cells

Brazilian research groups are helping to advance research on a promising class of materials for photovoltaic applications

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could fulfill a leading role through the production of an alternative to fossil-based kerosene

Clear roads ahead

Five million large animals are killed on Brazilian highways every year, according to the Brazilian Center for Road Ecology

A major contribution

Lattes on Mount Chacaltaya in Bolivia, where mesons were recorded in nuclear emulsions