Galleries

Gallery

In the Shadow of the Black Hole.

The Event Horizon Telescope (EHT) — a planet-scale array of eight ground-based radio telescopes forged through international collaboration — was designed to capture images of a black hole. Today (10 April), in coordinated press conferences across the globe, EHT researchers reveal that they have succeeded, unveiling the first direct visual evidence of a supermassive black hole and its shadow.

Gallery

UP project leads to world's first lion cubs born through artificial insemination

A lioness at the Ukutula Conservation Center (UCC) and Biobank, in South Africa North’s West province has given birth to two cubs conceived via non-surgical artificial insemination (AI), using fresh semen collected from an adult male lion at the same facility.

Gallery

Communication is costly in Heaviside's Dolphins

Research led by scientists at the University of Pretoria (UP) has shed light on an evolutionary arms race with a twist. The research has found that the small Heaviside’s dolphins (Cephalorhynchus heavisidii) selectively switch between cryptic, high frequency, echolocation sounds used to search for prey, and lower frequency communication sounds which help to maintain their highly social...

Gallery

White rhinos communicate through their ablution habits

A study by a University of Pretoria researcher into the ablution habits of white rhinos in the Hluhluwe iMfolozi Game Reserve, KwaZulu-Natal, has revealed that these animals use their place of defecation to communicate with each other and take decisions that can affect their ecology.

Gallery

Leopards get stressed. Here’s how we know – and why it matters

Leopards are versatile predators. These elusive cats can successfully occupy any habitat that supports sufficient numbers of prey species and which provides adequate cover for their ambush-style of hunting.

Gallery

Unravelling the mysteries of meerkat behaviour

Researchers at the University of Pretoria form part of the Kalahari Meerkat Project in the Northern Cape's Kuruman River Reserve, which has studied groups of wild meerkats for over 20 years.