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David Rentz

David Rentz

Adjunct Professorial Research Fellow, School of Marine and Tropical Biology, James Cook University
David Rentz received his PhD in Entomology from the University of California, Berkeley and worked in Philadelphia and San Francisco before moving to Australia. From 1976 to 2001 he was Curator of Orthopteroid Insects in the Australian National Insect Collection, Canberra (CSIRO). His research specialty, the katydids (family Tettigoniidae) has resulted in numerous papers and three volumes of a Monograph of Australian Tettigoniidae.

Now retired, he lives in Kuranda, Queensland and continues his studies and contributes to a blog: http://www.bunyipco.blogspot.com.au/ that documents the natural history of the rainforest in which he lives. He is past president of the Friends of the Cairns Botanic Gardens. He is an Adjunct Professorial Research Fellow, School of Marine & Tropical Biology, James Cook University where he advises students and participates in University life.

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Economy

Interest rates: the ugly dilemma facing Europe’s central banks – and why it’s a mistake to cut too soon

Central banks in Europe are discovering an old dilemma: when they lower interest rates because inflation is slowing down, its likely to weaken their currencies. This in turn may delay the fall in inflation towards their...

Europe is still in short-term crisis mode over Ukraine and lacks a vision for its post-war identity

Some believe that the war in Ukraine has fundamentally changed Europe, giving birth to a different kind of European order. That is, it appears to be driving structural shifts in the way Europe is run and organised that...

Mortgage prisoners: regulatory changes and low credit scores have left thousands trapped in a cycle of high payments

There are 8.5 million households in the UK who own a home with a residential mortgage, often with fixed interest rates from two to five years. Usually, when that mortgage deal ends, the borrower will move to another deal...

What should you do if you can’t pay your rent or mortgage?

The cost of living crisis is making it difficult for many people to pay their bills, including housing costs. Private sector rents have increased by an average 9% over the year to February 2024, and rising interest rates...

Reducing energy demand and improving efficiency will help prevent the next gas crisis

Gas prices have relaxed, Europe has come out of the winter with record gas storage levels and a surfeit of liquefied natural gas is set to reach the shores of Europe over the coming years. Many commentators are hopeful...

Politics

Gabon: post-coup dialogue has mapped out path to democracy – now military leaders must act

At the end of April 2024, a long and peaceful process of national dialogue in Gabon between the military junta, presided over by coup leader General Brice Oligui Nguema, and civil society, represented by 580 civilians,...

How German media attention idealises female Ukrainian refugees

According to the latest available data, around 3.7 million Ukrainians are internally displaced, while nearly 6.5 million have registered as refugees globally. With 1.13 million, Germany has taken in the largest...

Over 26 million South Africans get a social grant. Fear of losing the payment used to be a reason to vote for the ANC, but no longer – study

Social grants to reduce poverty feature prominently in the campaign promises of political parties in South Africas 2024 national and provincial general elections, set for 29 May. The countrys social grants system is one...

Donald Trump Allegedly Offers Oil Execs a Deal to Scrap EV Incentives for $1B Donation

Former President Donald Trump reportedly proposed a $1 billion deal to oil executives, offering to end electric vehicle (EV) subsidies in return for campaign funding, according to The Washington Post. This move underscores...

US Supreme Court upended decades of precedent in 2022 by allowing voters to vote with gerrymandered maps instead of fixing the congressional districts first

For the 2022 midterm elections, the U.S. Supreme Court allowed Alabama to use congressional districts that violated the law and diluted the voting power of Black citizens. A 5-4 vote by the Supreme Court in February...

Science

Is dark matter’s main rival theory dead? There’s bad news from the Cassini spacecraft and other recent tests

One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newtons law of gravity to their visible matter, despite those...

Why are algorithms called algorithms? A brief history of the Persian polymath you’ve likely never heard of

Algorithms have become integral to our lives. From social media apps to Netflix, algorithms learn your preferences and prioritise the content you are shown. Google Maps and artificial intelligence are nothing without...

IceCube researchers detect a rare type of energetic neutrino sent from powerful astronomical objects

About a trillion tiny particles called neutrinos pass through you every second. Created during the Big Bang, these relic neutrinos exist throughout the entire universe, but they cant harm you. In fact, only one of them is...

The Mars Sample Return mission has a shaky future, and NASA is calling on private companies for backup

A critical NASA mission in the search for life beyond Earth, Mars Sample Return, is in trouble. Its budget has ballooned from US$5 billion to over $11 billion, and the sample return date may slip from the end of this...

Dark matter: our new experiment aims to turn the ghostly substance into actual light

A ghost is haunting our universe. This has been known in astronomy and cosmology for decades. Observations suggest that about 85% of all the matter in the universe is mysterious and invisible. These two qualities are...

Technology

Ether ETFs May Boost ETH to $10K, but Approval Delayed Until 2025

While the ETF licensing procedure could take until 2025, it could be Ethers most important price catalyst. Spot Ether ETFs Could Drive ETH Price to $10,000 by End of 2024, Says Nexos Stoychev Legalizing spot Ether...

Solana Could Surge After Ethereum ETF Approval: Matrixport Co-founder Predicts

The broader cryptocurrency market has risen today due to speculation over the likely approval of the Spot Ethereum ETF by the US SEC. However, amid the euphoria, Matrixport co-founder Daniel Yans recent comments have...

Tesla's ‘Cybercab’ Robotaxi Interior Leaked in New Promotional Video

Tesla may have unintentionally leaked the interior of its highly anticipated Cybercab Robotaxi in a recent promotional video, sparking excitement and speculation. Teslas Robotaxi Vision Unveiled Over the past few...

Tron Founder Justin Sun's $2.5 Billion Ethereum Stash Sparks Investor Interest

Tron founder Justin Suns $2.5 billion Ethereum investment is stirring significant market interest, highlighting his confidence in the cryptocurrencys future. Justin Suns Ethereum Holdings Explained Tron founder...
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