51动漫
Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 51动漫鈥檚 exclusive in-depth articles, interviews and long reads.
Life
Ant-slayer spider catches prey with acrobatic leap to wrap it in silk
High-speed cameras have revealed the extraordinary hunting technique of the Australian ant-slayer spider, which is highly successful and thought to be unique
News
![Webb?s first images of Mars, captured by its NIRCam instrument Sept. 5, 2022 [Guaranteed Time Observation Program 1415]. Left: Reference map of the observed hemisphere of Mars from NASA and the Mars Orbiter Laser Altimeter (MOLA). Top right: NIRCam image showing 2.1-micron (F212 filter) reflected sunlight, revealing surface features such as craters and dust layers. Bottom right: Simultaneous NIRCam image showing ~4.3-micron (F430M filter) emitted light that reveals temperature differences with latitude and time of day, as well as darkening of the Hellas Basin caused by atmospheric effects. The bright yellow area is just at the saturation limit of the detector](/wp-content/uploads/2022/09/19132953/SEI_126060584.jpg?w=300&h=225&crop=1)
