Notes
arXiv
Next-generation arXiv
The open-access electronic repository arXiv will gain new features
By Redação
Biodiversity
![](/wp-content/thumbs/fdbd36b0a7a1113ebb97d330a3c5d6c11d87f40d_300-200cropped.jpg)
Fewer mangaba trees in Sergipe
Mangaba tree species range in Sergipe fell by 30% in six years
By Redação
Vela supercluster
![](/wp-content/thumbs/b03077f369b50b3ea329a51abb552be42eeb650e_300-200cropped.jpg)
The Milky Way’s gigantic neighbor
One of the largest superclusters of galaxies has been discovered
By Redação
CiteScore
Alternative metric for citations
New metric measures a journal’s influence during a given timeframe
By Redação
Physics
![](/wp-content/thumbs/e051d981213a783ca7e0fb599835955cf5c77629_300-200cropped.jpg)
Antimatter illuminated
A team measured with precision how antimatter atoms interact with light
By Redação
Economy
Forecast downturn in public R&D investments
Forecast downturn in public R&D investments
By Redação
Biodiversity
![](/wp-content/thumbs/8a302762f3f75e158e62edb37b334ad2059ede7a_300-200cropped.jpg)
Jaguar roams 2.8% of the Atlantic Forest
Researchers estimate that jaguars occupies 2.8% of the Atlantic Forest
By Redação
Education
Streamlined recognition of diplomas earned abroad
Diplomas earned abroad will be recognized faster
diamondoids
![](/wp-content/thumbs/4984027a04fbf699ca7683399164da3ef8dda9b9_300-200cropped.jpg)
Diamonds insulate nanowire
Material can produce a semiconducting nanowire three atoms wide
By Redação
Nutrition
![](/wp-content/thumbs/f32d73a0899e7d62da0527ce9ab39c7711ad927f_300-200cropped.jpg)
Metabolic syndrome on the march in Marajó
Eating habits from industrialized regions are spreading through Brazil
By Redação
Paleontology
![](/wp-content/thumbs/54c81b86df26c3451cdec4e8ea8aca95c9b5eacc_300-200cropped.jpg)
Dinosaur feathers preserved in amber
Amber preserved the feathered tail of a small dinosaur
By Redação
Chrysolaena obovata
![](/wp-content/thumbs/93403fd6d888c587410a1ffd259fdab5875d67c1_300-200cropped.jpg)
Elevated C02 makes for drought-resistant plant
Cerrado species adapts better to drought with high carbon dioxide level
By Redação