Discover science
The Tuskegee Experiment: One of History's Most Unethical Projects
The Tuskegee project was launched because people wanted to find out what causes syphilis, how the disease progresses, and to have specific data on warning signs.
PER
Browse ScienceInfo articles and explainers related to PER.
Topic archive
Articles about PER
10,159 published items.
Oceanography
Rare 'walking' red snapper reappears in Australia
A rare 'walking' snapper - an animal native to Australia - has been spotted for the first time in 22 years off the coast of Tasmania.
Archeology
The most severe period of extinction is also the time when the Earth is 'strongest'
As it turns out, the deadliest extinction event on Earth in the past also had another feature - it was extremely 'smelly'.
Scientific works
Top 5 things to know about the James Webb super telescope
After decades of waiting, the most powerful space telescope ever built will launch into orbit on December 25, just in time for Christmas.
New technology
Smart roof coating helps regulate temperature
A team of engineers from Berkeley Labs developed roof coatings that can make buildings warmer or cooler depending on the weather.
Archeology
China discovers the real tomb of Emperor Han Wen
After years of skepticism, Chinese archaeologists have discovered evidence of the actual burial place of the 5th king of the Han Dynasty based on newly found characteris…
Discover science
Chinese researchers build supersonic aircraft prototype from NASA design
Chinese researchers say they have built a prototype of a supersonic flight engine based on a NASA design
New technology
Singapore expert develops biodegradable flexible paper battery
Experts at Nanyang Technological University have developed a new type of battery that can supply power continuously even when bent or twisted.
Discover science
The truth about perovskite - A miracle material that is superior to today's silicon
Researchers have discovered the mysterious properties of perovskite - the so-called 'miracle material'.
1001 mystery
Tibetans can bring 'super powers' from another human species
Shocking research from the US shows that our Homo sapiens ancestors in Tibet had two periods of interbreeding with extinct humans called Denisovans, resulting in the pre…
Oceanography
The animal with the largest brain and teeth on the planet turns to humans for help
All animals in the world, big or small, deserve equal treatment. Starting from the smallest actions, we humans can make big changes, helping to preserve the species on E…
New technology
China researches supersonic aircraft 5 times faster than the speed of sound
The Chinese team built and tested a prototype of a supersonic engine based on a bold design by a NASA scientist more than two decades ago.
Archeology
Excavation of 2,100-year-old spooky fireplace, expert horror: The secret lies in the inner chamber!
According to scientists, this fireplace is specially designed to stay warm all night.
New technology
Successfully made a piano as thin as a sheet of paper
The Austrian company creates paper pianos by printing the keys and circuit boards on paper, which are then combined with chips and smartphones.
Archeology
Open the old newspaper package, shocked by the extremely rare 70-million-year-old 'treasure'
According to hasty notes, these fossils have been found since the 1920s and for unknown reasons have been forgotten for decades, Phys.org reported.