Podcast Episodes

Extreme heat death risk in Latin America

Audio for this episode was updated on 8th July.

A new analysis of deaths in cities across Latin America suggests rising global temperatures could lead…

3 years, 8 months ago

Monster microbe

Researchers have discovered a species of bacteria which dwarfs all others by thousands of times. Normally you need a microscope to see single-celled…

3 years, 9 months ago

Thirty years after the Earth Summit

Thirty years ago, world leaders met at the United Nations Earth Summit in Rio and appeared to commit to action to tackle two of the world's greatest …

3 years, 9 months ago

Body scan reveals HIV's hideouts

Researchers have developed a medical imaging technique which reveals where in the body HIV lies hidden, even when people have their infection well co…

3 years, 9 months ago

Should we worry about the latest Omicron subvariants?

Should we worry about the most recent Omicron subvariants, BA 4 and BA5? They are the subtypes of the Covid-19 virus now dominant in southern Africa…

3 years, 9 months ago

Heat death by volcano and other stories

This week Science in Action comes from a vast gathering of earth scientists in Vienna, at the general assembly of the European Geosciences Union.

Ro…

3 years, 9 months ago

Death in the rainforest

Tree mortality in tropical moist forests in Australia has been increasing since the mid 1980s. The death rate of trees appears to have doubled over …

3 years, 10 months ago

Portrait of the monster black hole at our galaxy’s heart

The heaviest thing in the Galaxy has now been imaged by the biggest telescope on Earth. This is Sagittarius A*, the supermassive black hole at the ce…

3 years, 10 months ago

Mekong Delta will sink beneath the sea by 2100

The Mekong Delta is home to 17 million people and is Vietnam’s most productive agricultural region. An international group of scientists warn this we…

3 years, 10 months ago

The Indian subcontinent’s record-breaking heatwave

Deadly heat has been building over the Indian sub-continent for weeks and this week reached crisis levels. India experienced its hottest March on rec…

3 years, 10 months ago