Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it. [2]. Why do trees need sunlight? – Tillman, age 9, Asheville, North Carolina Trees need sunlight
April’s eclipse will mean interruptions in solar power generation, which could strain electrical grids
During the most recent total solar eclipse visible in the U.S., on Aug. 21, 2017, the skies darkened as the Moon crossed in front of the Sun. It blocked out all sunlight – except for that from a golden ring visible around the Moon’s shape, called
Immune cells can adapt to invading pathogens, deciding whether to fight now or prepare for the next battle
How does your immune system decide between fighting invading pathogens now or preparing to fight them in the future? Turns out, it can change its mind[1].
Every person has 10 million to 100 million unique T cells[2] that have a critical job in the immune
Rare access to hammerhead shark embryos reveals secrets of its unique head development
Scientists very rarely get access to most sharks, the development of their young or the nursery grounds where they grow. So seeing a hammerhead shark[1] (Sphyrna tiburo) embryo, halfway through its five-month development, is very unusual.
Access to growing
A defense expert explains how they work and what they are used for
Nations around the world are rapidly developing high-energy laser weapons[1] for military missions on land and sea, and in the air and space. Visions of swarms of small, inexpensive drones filling the skies or skimming across the waves are motivating
Titanosaurs were the biggest land animals Earth’s ever seen − these plant-powered dinos combined reptile and mammal traits
You’re probably familiar with classic sauropod dinosaurs – the four-legged herbivores famous for their long necks and tails. Animals such as Brachiosaurus, Apatosaurus and Diplodocus[1] have been standard fixtures in science museums since the 1800s.
With
Workers fear being watched – and misunderstood
Emotion artificial intelligence[1] uses biological signals[2] such as vocal tone, facial expressions and data from wearable devices as well as text and how people use their computers, promising to detect and predict how someone is feeling. It is used in