A malnourished child at a camp in Bangladesh. (Credit: Pahari Himu/Shutterstock)
One in four children will never grow to a normal height. In developing countries, the number can be as high as one in three. The problem? Malnutrition.
Now scientists have developed a diet that can boost key colonies of gut bacteria in malnourished kids. The finding is important because past research has shown these bacteria are essential for healthy growth and development. The study paves the way for a new ...read more
The hunt for intermediate-mass black holes (IMBH) has picked up over recent years, and there are now dozens of promising candidates. This artist's concept depicts a 2,200 solar mass IMBH suspected to reside in the heart of the globular cluster 47 Tucanae, located some 15,000 light-years from Earth. (Credit: B. Kiziltan/T. Karacan)
Black holes have long served as fodder for science fiction — and for good reason. These unimaginably dense objects contain so much matter trapped in such a sm ...read more
LEMUR can climb walls with special gripping feet, and is only one of a suite of climbing NASA robots. (Credit: NASA/JPL-Caltech)
NASA has built many adventurous robots that can fly in space, land on alien planets, roll across Martian and lunar terrain, and even fly helicopter-style across far-off worlds. But the next big challenge is climbing and clambering across rough or steep terrain, a common sight whether on rocky Mars or icy Enceladus.
To that end, NASA’s Jet Propulsion Labora ...read more
This galaxy, which sits about 2.5 billion light-years away, hosts two supermassive black holes (inset), visible because of the heated gas, dust, and stars around them. The two black holes are on a collision course, but astronomers still aren't sure whether they will - or can - merge. (Credit: A.D. Goulding et al./Astrophysical Journal Letters 2019)
By now, merging black holes and the gravitational waves they produce are a scientific surety. Astronomers have observed several black hole merger ...read more
Archaeological sites in the Nuuk Region along Greenland's southern coast, shown here, are among those in the most danger from climate change. (Credit: XPixel/shutterstock)
Hailing from Norway, Sweden and Denmark, the seafaring pirates best known as Vikings, or Norsemen, raided and colonized Europe from the ninth to eleventh centuries. They also established settlements throughout the Arctic including in Greenland. Now researchers say that climate change is threatening the cultural history of ...read more