Search results

Listed under:  Science  >  Life  >  Ecosystems  >  Biodiversity
Text

Wild backyards: digital stories transcript

This is a transcript of a series of three short digital stories produced by the Queensland Museum, entitled 'Wild backyards', in which experts explain how they attract wildlife to their backyards located in Brisbane, Roma and Innisfail. The transcript includes accompanying photographs taken from the digital stories and ...

Video

Dingo secrets

This 9 minute video segment from Catalyst shows a biologist is finding out about how a family of multi-coloured dingoes is challenging our very idea of these animals. Technology has been invaluable in learning how young dingoes are taught adult behaviour and survival behaviours of the pack.

Video

Ancient DNA

This 9 minute video segment from Catalyst explains the role of Australian Centre for Ancient DNA.It is an internationally recognised research centre for the study of minute traces of preserved genetic material - species studied date from a million years ago to more modern day mysteries... from mammoths to the Tassie devil, ...

Video

Too cold for cane toads

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

Video

Ancient Resurrection

This 8 minute video segment from Catalyst highlights what is needed to resurrect ancient species, and raises the question whether we should. It also demonstrates the impacts of technology.

Video

Rob Harcourt

This 6 minute video segment from Catalyst highlights a number of diverse investigations that are part of the work of a marine biologist. It uses an incredible collection of photographs to inform and inspire people about conservation.

Audio

Conserving seeds of agricultural crops

This radio interview discusses how Global Crop Diversity Trust is trying to conserve the biodiversity of the world's agricultural crops. A network of seed banks is being developed, together with a backup in a mountain in Norway. Just 10 or 12 crops dominate human nutrition. And there's turnover in varieties as crops are ...

Text

Species on the move

This ABC In Depth feature article presents arguments about moving vulnerable species to cooler climates in advance of climate change is a controversial strategy, and whether it could be the best way of ensuring their survival.

Video

Foreign Correspondent: Mesoamerican Reef threatened

The Mesoamerican Reef, just off the shore of Mexico's Yucatán Peninsula, is under major threat. Listen to oceanographer Roberto Iglesias-Prieto explain how untreated wastewater affects the underground river system and the reef.

Video

Understanding the causes of climate change

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

Video

Foreign Correspondent: Damming the free and mighty Mekong

The Mekong has been a rare thing: a largely untouched and free-flowing river. Stretching for nearly 5,000 km from the mountains of Tibet to Vietnam's Mekong Delta, it has provided a way of life for millions of people and been an important trading route between south-western China and south-eastern Asia. In this clip from ...

Video

Catalyst: E-waste, recycling, and sustainability

What happens to electronic waste (e-waste)? Watch this clip about the physics of recycling to find out the way that useful materials are captured from waste at a local materials recovery facility. Presenter Tanya Ha investigates e-waste, the products it comes from, and the sustainability challenges it poses.

Video

Foreign Correspondent: Spawning dams, not fish, on the Mekong?

The Mekong is the largest freshwater fishery in the world; however, this may be about to change. Discover in this 2010 clip how migration of fish species along the lower Mekong may be impeded by the proposed construction of dams along this mighty river. Do the economic benefits of the dam outweigh the potential loss of ...

Video

Foreign Correspondent: The Mekong: A damming example

The government of Laos has plans for many revenue-raising dams along the Mekong River. Find out about a dam, the Nam Theun 2, which was completed in 2010 and lies across the Nam Theun river in the Nakai Plateau. This clip from the same year asks if the dam could be the flagship for others to be built along the Mekong. Discover ...

Video

Unlocking the key to why chillies are hot

Have you ever eaten hot chilli and wondered why your mouth feels like it's on fire? Watch this clip to find out all about the science of chillies, including what makes them hot, why they are hot and why they cause so much pain when we eat them.

Video

Foreign Correspondent: Dams and dolphins on the Mekong?

If the Lao Government's plans are realised, nine hydropower dams will be built across the Mekong River in Laos, and more across its tributaries. The government wants the country to become the 'battery of Asia'. With this dream comes a host of issues. Listen to reasons why the World Wildlife Fund (WWF) suggests hydro-dam ...

Video

Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

Video

Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

Interactive

Alien life form

Help an alien to understand how plants are adapted to life on Earth. Choose different combinations of leaves, seeds and roots. Design a plant that is best adapted to surviving in a particular environment. Adapt the plant for survival in specific environments: mangroves, cool rainforest, mountain slopes and arid land. ...

Interactive

Genes

See how genes and genetic engineering work. Build models of DNA, and work out how it is copied as cells divide. Discover how the codes carried in the genes are copied and used to build proteins. See how gene splicing can be used to benefit human lives. For example, model the transfer of a human gene into bacteria, so they ...