Veículo
National Post (Canadá)
Em 2024: 1 notícias
Desde 1995: 10 notícias
Your morning coffee may be more than a half million years old
Publicado em 15 abril 2024
That coffee you slurped this morning? It’s 600,000 years old.
Using genes from coffee plants around the world, researchers built a family tree for the world’s most popular type of coffee, known to scientists as Coffea arabica and to coffee lovers simply as “arabica.”
The researchers, hoping to learn more about the plants to better protect them from pests and climate change, found that the species emerged around 600,000 years ago through natural crossbreeding of two [...]
-
Brazilian researchers find 'terrifying' plastic rocks on remote island
Publicado emTRINDADE ISLAND - The geology of Brazil's volcanic Trindade Island has fascinated scientists for years, but the discovery of rocks made from plastic debris in this remote turtle refuge is sparking alarm. Melted plastic has become intertwined with rocks on the island, located 1,140 km (708 miles) from the southeastern state of Espirito Santo, which researchers say is evidence of humans' growing influence over the earth's geological cycles. "This is new and terrifying at [...]ver notícia -
Astronomers astonished by ring around frigid distant world Quaoar
Publicado em 08 fevereiro 2023WASHINGTON, Feb 8 (Reuters) - The small distant world called Quaoar, named after a god of creation in Native American mythology, is producing some surprises for astronomers as it orbits beyond Pluto in the frigid outer reaches of our solar system. Researchers said on Wednesday they have detected a ring encircling Quaoar akin to the one around the planet Saturn. But the one around Quaoar defies the current understanding of where such rings can form - located much further away from [...]ver notícia -
Health News | Protein Restriction May Be Useful in Reducing Obesity, Diabetes: Study
Publicado em 21 setembro 2022Metabolic syndrome is a cluster of conditions that heighten the risk of cardiovascular disease, stroke and diabetes, including hypertension, high blood sugar, excess body fat around the waist and abnormal cholesterol levels."The study showed that cutting protein intake to 0.8 g per kg of body weight was sufficient to achieve almost the same clinical results as restricting calories, but without the need to reduce calorie intake. The results suggest that protein restriction may be one of the [...]ver notícia -
Political polarization is affecting mental health, and patients want therapists who share their views
Publicado emArticle content THE CONVERSATION This article was originally published on The Conversation, an independent and nonprofit source of news, analysis and commentary from academic experts. Disclosure information is available on the original site. —— Author: Elisa Brietzke, Professor, Department of Psychiatry, Queen’s University, Ontario As a psychiatrist, I’ve never talked so much about politics with my patients as I have in the past two years. It was [...]ver notícia -
Infection of one partner may trigger immune response in the other, couples study finds
Publicado em 30 setembro 2021The Brazilian study of couples is helping to shed light on why some people may be naturally resistant to the virus Article content The researchers had believed such cases were rare, but a call for volunteers who fit that profile and “shared the same bedroom during infection” turned up roughly a thousand couples. Ultimately, they took blood samples from 86 couples for detailed analysis and found that “women were overrepresented (65%) in the asymptomatic group”. The [...]ver notícia -
An average of 15% of Brazilians have COVID-19 antibodies, study finds
Publicado em 26 maio 2021BRASILIA — An average of 15% of Brazil’s 210 million people have COVID-19 antibodies, researchers announced on Wednesday. The study, backed by the Sao Paulo state government’s research foundation (Fapesp) and Federal University of Sao Paulo (Unifesp), was conducted up to the end of April when contagion was on the rise. Researchers found that the level of antibodies varied greatly across the country. For example, in the northeastern state of Ceara, 9.89% of people had [...]ver notícia -
Huge volcanic eruption didn't cause climate change and mass extinction 140 million years ago
Publicado emTHE CONVERSATION This article was originally published on The Conversation, an independent and nonprofit source of news, analysis and commentary from academic experts. Disclosure information is available on the original site. Authors: Joshua Davies Professor, Sciences de la Terre et de l’atmosphere, Universite du Quebec a Montreal (UQAM); Brenda Chung Rocha Professor, Geosciences, Universidade de São Paulo and Nicolas Greber Assistant professor, Geochemistry, Universite [...]ver notícia -
In Brazil’s Amazon a Covid-19 resurgence dashes herd immunity hopes
Publicado em 27 setembro 2020Then in June, deaths unexpectedly plummeted. Public well being specialists questioned whether or not so many residents had caught the virus that it had run out of latest individuals to contaminate. Analysis posted final week to medRxiv, a web site distributing unpublished papers on well being science, estimated that 44% to 66% of the Manaus inhabitants was contaminated between the height in mid-Might and August. The examine by the College of Sao Paulo’s Institute of Tropical Drugs [...]ver notícia -
Smoking strong pot daily raises psychosis risk, study finds
Publicado emLONDON — Smoking high-potency marijuana every day could increase the chances of developing psychosis by nearly five times, according to the biggest-ever study to examine the impact of pot on psychotic disorder rates. The research adds to previous studies that have found links between marijuana and mental health problems, but still does not definitively pinpoint marijuana as the cause. Psychotic disorders — in which people lose touch with reality — are typically triggered by factors [...]ver notícia