Erectile dysfunction drug shows potential additional benefits for aging men
Research suggests a popular erectile dysfunction pill may provide additional cardiovascular or metabolic benefits for aging men beyond its primary indication.
technology
Science & Space
Descoberta e exploração: missões espaciais e astronomia, física e biologia, novos resultados de pesquisa e o que os cientistas estão aprendendo sobre o mundo e além dele.
Cobertura (1880 artigos)
Microrganismo com genoma minúsculo desafia definição científica de vida
Cientistas descobrem Sukunaarchaeum mirabile, um microrganismo com apenas 238 mil pares de bases de DNA, o que questiona os limites biológicos do que caracteriza um ser vivo e sua possível dependência de um hospedeiro.
Rover Perseverance da Nasa bate recorde de distância em Marte com 45,2 km
O rover Perseverance da Nasa percorreu 45,2 km em Marte desde seu pouso há 5 anos e meio, superando o recorde anterior do rover Opportunity e estabelecendo a maior distância já coberta por um veículo em outro planeta.
Dna sconosciuto sui vestiti di Liliana Resinovich: emerge scenario di omicidio
Nuove perizie sul caso Resinovich rivelano tracce di Dna maschile sconosciuto su abiti e oggetti della vittima, e assenza di terreno del luogo di ritrovamento sulle scarpe, suggerendo omicidio altrove.
Major Study Reveals Menopause Triggers Abrupt Biological 'Cliff' Across Multiple Body Systems
A large-scale study of 1 million women reveals menopause causes sudden physiological changes across bones, liver, and blood fats rather than gradual decline, challenging previous understanding of the transition.
Caso Resinovich: trovato Dna di uomo sconosciuto sui vestiti della vittima
Una perizia nel caso Resinovich ha rivelato il DNA di un uomo sconosciuto sui vestiti e sulle chiavi della donna scomparsa, aprendo nuovi interrogativi nell'indagine.
SpaceX launch creates 'space jellyfish' phenomenon visible across US East Coast
A SpaceX Falcon 9 rocket launch created a luminous jellyfish-shaped phenomenon visible across the US East Coast, caused by sunlight reflecting off rocket debris in the upper atmosphere.
Drones flagraram cardumes de até 100 tubarões em praias populares da Austrália
Drones registraram cardumes de até 100 tubarões-martelo-recortados jovens em praias populares da Austrália. Cientistas investigam se águas rasas oferecem abrigo ou alimentação para a espécie criticamente ameaçada.
SpaceX launches cargo mission with final solar arrays for space station upgrade
SpaceX launched a Falcon 9 rocket carrying a Dragon cargo ship with 6,300+ pounds of supplies and two solar array blankets for the International Space Station, completing a major power system upgrade.
NASA Satellite Data Reveals Hidden Global Groundwater Crisis
NASA satellite data has exposed a widespread groundwater depletion crisis affecting water supplies globally, threatening freshwater availability for billions of people.
Study reveals how tumor cell diversity drives pancreatic cancer progression
Research published in Nature reveals how clonal heterogeneity in pancreatic ductal adenocarcinoma affects tumor progression, offering insights into cancer biology.
Rover Perseverance da Nasa bate recorde de distância em Marte com 45,2 km
O rover Perseverance da Nasa percorreu 45,2 km em Marte, superando o recorde anterior do Opportunity e coletando evidências de vida microbiana antiga no planeta.
Journal's Identity Disclosure Sparks Author Backlash in Postdoc Case
Authors responded with threatening language after a journal disclosed a postdoc's identity during a research dispute, raising concerns about retaliation and academic freedom.
Perseverance alcança recorde histórico após 5 anos em Marte
O rover Perseverance da Nasa percorreu 45,2 km em Marte em 5 anos e meio, superando o recorde anterior do rover Opportunity e estabelecendo-se como o veículo que mais viajou em um planeta além da Terra.
Webb Telescope Captures Rare Early-Universe Supernova Days After Explosion
The James Webb Space Telescope has identified a possible supernova in the early universe just days after it occurred, advancing astronomical observation capabilities.
Perseverance Mars Rover Shatters Off-Planet Driving Record
NASA's Perseverance Mars rover has broken the interplanetary driving distance record, surpassing previous off-world vehicle achievements while continuing its mission exploration.
Rover Perseverance da Nasa bate recorde de distância em Marte com 45,2 km
O rover Perseverance da Nasa estabeleceu recorde ao percorrer 45,2 km em Marte, superando o antigo recorde do rover Opportunity e qualquer veículo operado fora da Terra.
Man Claims Bigfoot Discovery in New York, Offers DNA Evidence
A New York resident claims to have found a deceased Bigfoot and possesses DNA evidence to support the discovery, reigniting cryptozoological debate.
NASA's Perseverance rover breaks Mars driving distance record at 28 miles
NASA's Perseverance rover has set a new off-world driving record on Mars, surpassing previous distance milestones achieved by other planetary rovers.
Astronomers Discover Rare Second-Generation Planet Orbiting a Dying Star
Scientists using the Hubble Space Telescope have found evidence of a second-generation planet orbiting a young white dwarf, suggesting planets can form from the remnants of dying stars.
Vera Rubin Observatory discovers largest ultra-fast spinning asteroid
Vera Rubin Observatory has identified asteroid 491384, a 1.6-mile object spinning faster than previously known asteroids, challenging current understanding of rotational physics.
Mini organs launching to space to study aging and disease in microgravity
Mount Sinai researchers are launching human tissue organoids to space via SpaceX to study aging effects on the brain and heart in microgravity, with findings potentially benefiting astronauts and Earth-based medicine.
GLP-1 drugs show promise as anti-aging medications in early research
Recent studies suggest GLP-1 weight-loss drugs like Ozempic may slow biological aging by up to four years, opening new possibilities beyond their current weight-loss applications.
Early Universe Glow Offers New Clues to Dark Energy Mystery
Telescopes have detected the faint hydrogen glow from galaxies 8 billion years ago, potentially providing new insights into dark energy and the universe's earliest structures.