科学与环境
Giant tortoises outnumber people in Seychelles, with nearly 183,000 on Aldabra
来源: Phys.org - latest science and technology news stories · 发布于
A landmark survey of the world's largest free-roaming giant tortoise population has revealed that the once-endangered species is thriving and stable in the Seychelles.
A landmark survey of the world's largest free-roaming giant tortoise population has revealed that the once-endangered species is thriving and stable in the Seychelles.
相关报道
Artemis II crew moon photo annotations
A visualization of a dark moon eclipsing the sun is marked with handwritten notes in this April 6, 2026, screenshot from an Artemis II crew member's tablet.
Phys.org - latest science and technology news stories ·
How a harmful bacterium senses iron—and why it matters for fighting infections
Pseudomonas aeruginosa is a common culprit in hospital-acquired bacterial infections and is growing more resistant to antibiotics. New findings from Aaron Smith, professor of chemistry and biochemistry at UMBC, and collaborators at Oklahoma State University show how a two-protein
Phys.org - latest science and technology news stories ·
International experience gives business leaders an edge, study finds
Business leaders with international experience play a significant role in shaping the success of their organizations and are often associated with stronger organizational performance, including higher growth, profitability and stock market performance, according to a new study pu
Phys.org - latest science and technology news stories ·
Superbug P. aeruginosa uses two protein plugs to seal channels against antibiotics
A joint research team has identified a new mechanism underlying antibiotic resistance in Pseudomonas aeruginosa, a major multidrug-resistant "superbug." The discovery provides important clues for the development of new treatments for multidrug-resistant bacterial infections. The
Phys.org - latest science and technology news stories ·
Chain reaction that begins when tumor suppression gene is switched off offers clues to how cancer develops
A tumor suppressor gene known as p53 is mutated in more than half of all cancers, but how it acts to prevent cancer formation is largely unknown. A study by UT Southwestern Medical Center researchers sheds light on this phenomenon by showing what happens when p53 becomes disabled
Phys.org - latest science and technology news stories ·