From his positions at the United Nations, Professor Heyns made a huge impact on the protection of the right to life and the right of peaceful assembly.
As African economies recover from the COVID-19 pandemic, governments should explore technologies like global positioning systems and blockchain for use in the registration of land rights.
Several countries are developing microwave weapons, like this U.S. Air Force system designed to knock down drones by frying their electronics.
AFRL Directed Energy Directorate
High-power microwave weapons are useful for disabling electronics. A new report says they ‘plausibly explain’ some ailments suffered by US diplomats and CIA agents in Cuba, China and other countries.
Working together to figure out where to eat.
Cheyenne Montgomery/Moment via Getty Images
New research suggests individual bees are born with one of two learning styles – either curious or focused. Their genetic tendency has implications for how the hive works together.
Avoiding drones’ prying eyes can be as complicated as donning a high-tech hoodie and as simple as ducking under a tree.
Do you know where your coffee comes from? The COVID-19 pandemic has highlighted the importance of knowing about our supply chains. Here, a woman carries harvested coffee beans in a coffee plantation in Mount Gorongosa, Mozambique, in August 2019.
(AP Photo/Tsvangirayi Mukwazhi)
The COVID-19 crisis highlights the importance of supply chains. But even with the increased recent attention, most supply chains remain murky. Consumers can play a key role in lifting that cloud.
Reverse-engineering birdflight helped researchers create a powerful new kind of drone.
Shutterstock
Koalas are notoriously difficult to detect. Traditional methods are costly and labour intensive. So we found a more efficient way to locate koalas in eastern NSW, using drones.
The only way to learn about the sensory abilities of dolphins is with the help of trained dolphins.
Dolphin Quest
Wild dolphins are fast, smart and hard to study, but it is important to understand how human actions affect their health. So we are building a drone to sample hormones from the blowholes of dolphins.
A swarm of roughly 40 million desert locusts can eat the same amount of food in one day as about 35,000 people.
A robot dog called Spot patrols a Singapore park playing a recorded message telling people to observe physical distancing measures.
Edgar Su/Reuters/AAP
Smart city solutions have proved handy for curbing the contagion, but recent experience has also shown how much they rely on public trust. And that in turn depends on transparency and robust safeguards
An Italian police officer operates a surveillance drone in Turin, Italy, April 2020.
Alessandro di Marco/EPA-EFE
Some species, including blue whales, spend little time at the surface. So despite their overwhelming size, they can be hard to find and tough to study.
The usefulness of drones to the medical sector has been clear for several years – and well-funded start-ups have been trialling services around the world.