Category: 7. Science

PHOENIX — An unspecified “medical concern” involving one of the astronauts aboard the International Space Station has postponed a spacewalk and could force an unprecedented early return of part of the crew.

NASA announced Jan. 7…

The oldest evidence for the use of arrow poison globally was long thought to come from Egypt, dating to 4,000 years ago. It was a black, toxic residue on bone arrowheads from a tomb at the Naga ed Der archaeological site.

New evidence from…

RIYADH: The Royal Commission for AlUla announced on Thursday the discovery of rare horseshoe crab fossils estimated to be 465 million years old.

Work is being carried out to study and characterize the fossils, which have not yet been…

The study reveals that environmental stressors do not merely kill bacteria; they can also prime surviving cells to take up resistance genes more efficiently, raising concerns about how antibiotic-resistant bacteria may spread in…

Insider Brief

• KAIST and POSTECH researchers said they developed an ultra-fine electrohydrodynamic 3D printing method that enables vertical nanolasers to be printed directly onto semiconductor chips, allowing much higher device density…

Ancient humans used poisoned arrowheads to hunt prey 60,000 years ago, archeologists discovered.

Traces of plant toxins were found on quartz Stone Age arrowheads in South Africa, the oldest known example, suggesting paleolithic hunters had more…

alien: (in astronomy) Life on or from a distant world.

anesthesia: A medical treatment that causes a numbing or loss of physical feeling. Doctors can induce anesthesia in one area of the body (local anesthesia) or they can offer general…