科学与环境
Ball or strike? Why the count may change what a baseball umpire sees
来源: Phys.org - latest science and technology news stories · 发布于
In baseball, a borderline pitch is more likely to be called a strike when the batter has three balls and no strikes than when the count is no balls and two strikes. The official strike zone hasn't changed. The umpire's judgment has.
In baseball, a borderline pitch is more likely to be called a strike when the batter has three balls and no strikes than when the count is no balls and two strikes. The official strike zone hasn't changed. The umpire's judgment has.
相关报道
Supply chain experts say uncertainty will disrupt 4th Quarter
The results of the Lehigh Business Supply Chain Risk Management Index for the fourth quarter of 2026 show a slight decrease from last quarter's sharp jump in overall risk. Transportation disruption risk remained the highest-rated category, down from its record high in the third q
Phys.org - latest science and technology news stories ·
'Molecular sunscreen' may explain why DNA uses thymine despite its vulnerability to UV damage
Scientists have long sought to understand the complex origins of intelligent life. It remains unclear how biological systems not only formed but survived and persisted under the extreme conditions of primordial Earth's hostile climate. Now, researchers at Texas A&M University are
Phys.org - latest science and technology news stories ·
The Preliminary Lunar Science Report for Artemis II is out
On April 1, 2026, the crew of the Artemis II mission launched into space atop NASA's Space Launch System (SLS). Roughly 3 1/2 hours after launch, the rocket's upper stage separated from the Orion spacecraft (Integrity), and astronauts Reid Wiseman, Victor Glover, Christina Koch a
Phys.org - latest science and technology news stories ·
Some house cats carry a gut parasite that can infect humans, study finds
Giardia duodenalis is a microscopic, flagellated parasite that often calls the human and animal gut its home. In most cases, it coexists harmlessly with its host, and most infected pets and people show no signs of illness. However, when it becomes pathogenic, it can cause diarrhe
Phys.org - latest science and technology news stories ·
Atypical B cells shift immune roles as they develop, malaria study finds
B cells are an important part of the immune system and help the body recognize and fight infections. A group of B cells known as atypical B cells has attracted considerable interest among researchers in recent years. They occur in several infections, but also in connection with v
Phys.org - latest science and technology news stories ·