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Penny Olsen

Penny Olsen

Honorary Professor in the Division of Ecology and Evolution, Australian National University
Most of my career was spent as a field researcher, with broad interests, but specialising in ornithology. Now I write about natural history and its practitioners.

High fliers: pleasure-seeking parrots are using aromatic plants, stinky ants and alcohol

Jun 20, 2024 05:28 am UTC| Nature

Birds have been known to seek out pungent chemicals for various reasons. Some consume fermented fruits with gusto and suffer the ill effects. Others expose themselves to ants, but only the stinky kind. These ants produce...

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Economy

Space arms race may be underway

As conflict rages on Earth, an arms race may be underway in outer space. On May 30, a US diplomat warned that Russia had launched a weapon into orbit, something Russias deputy foreign minister, Sergey Ryabkov, branded as...

Mauritius’ next growth phase: a new plan is needed as the tax haven era fades

Mauritians will head to the polls by November 2024 and politicians are considering the economic direction of the island country. For the last two decades, the countrys economic growth has depended heavily on its...

Canadians are feeling increasingly powerless amid economic struggles and rising inequality

If you feel like youre being pushed around in life, youre not alone. Our recent research has found that Canadians are increasingly feeling a sense of powerlessness in their lives. This sentiment has been steadily...

Myth: How the US manipulates global markets for economic supremacy

US president, Joe Biden, raised tariffs on Chinese-made goods sharply in May, claiming that the Chinese government has cheated by pouring money into Chinese companies … hurting competitors who play by the rules. The...

The world no longer needs fossil fuels – and the UK could lead the way in making them taboo

North Sea oil and gas has become a battleground issue in the UK general election. The Labour partys manifesto promises an end to issuing new licenses for finding oil and gas. The Conservative party meanwhile proposes a...

Politics

Three ways politicians always promise to raise money without increasing taxes – and why they rarely deliver

After weeks of controversy over Labour and Conservative costings in which each side accused the other of dishonesty the manifestos show that both parties had wildly exaggerated their rivals plans. But there has been...

Election 2024: migrants aren’t to blame for Britain’s housing crisis

Migration has become the most toxic issue in British politics, driving intensely emotional debates that are often based on prejudice and misunderstanding. Similarly emotional is housing a finite resource in high demand at...

How Vladimir Putin projects his image as a modern-day Peter the Great

Russian energy giant Gazprom is reported to have been hit particularly hard by sanctions imposed as a result of the war with Ukraine. An internal report obtained and published by the Financial Times has forecast that the...

Another election, another round of Nigel Farage hype, with no lessons learned

Nigel Farage, a man who has never been elected to the House of Commons despite years of trying, has again been allowed to set the agenda in the UK. Ten years after Ukip won the European parliament elections, throwing...

Science

Japan Discovers 230 Million Ton Manganese Deposits, Boosting EV Battery Industry

Japan has discovered 230 million tonnes of manganese deposits near Minami-Torishima Island, potentially transforming its EV battery industry by significantly reducing reliance on imports and providing enough cobalt and...

Nations realise they need to take risks or lose the race to the Moon

The Nasa-led Artemis-3 mission will place the first human boots on the surface of the Moon since Apollo 17s Gene Cernan and Harrison Schmitt left the lunar surface in December 1972. The goal of the Artemis programme is...

Some of Earth’s most ancient lifeforms can live on hydrogen – and we can learn from their chemical powers

Three-quarters of all matter in the universe is made up of hydrogen. The young Earth was also rich in hydrogen, thanks to fierce geological and volcanic activity. Just as stars burn hydrogen to produce heat and light...

Eye exercises to improve sight – is there any science behind them? An ophthalmologist explains why you shouldn’t buy the hype

You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training basically, eye exercises. These exercises include putting pressure on or palming the eye; eye...

Technology

Crypto Deep Fake Scams to Exceed $25B in 2024, Warns Bitget Research

According to Bitget Research, crypto losses due to deep fake scams are predicted to surpass $25 billion in 2024. This alarming increase highlights the growing threat of deep fake technology in cryptocurrency. Deep Fake...

Ethereum Eyes $4,000: Bullish Chart Patterns Suggest Major Breakout Potential

Ethereums price has declined 4.6% over the past week, now trading at $3,382. With bullish chart patterns forming, analysts predict a potential breakout to $4,000 if key resistance levels are breached. Ethereums Price...

Top Cryptos to Buy Before July: INJ, ETH, AR, and FTM Show Promise

As the crypto market experiences a decline, analysts predict a rally in July, highlighting INJ, ETH, AR, and FTM as top buys for significant potential gains. Analysts Predict July Rally: Key Cryptocurrencies to Buy Amid...

Dogecoin and Shiba Inu Prices Drop Over 3% Amid Market Volatility

Dogecoin and Shiba Inu prices fell by over 3% on June 27, driven by market volatility and hawkish comments from U.S. Federal Reserve officials, sparking investor concern. Hawkish Fed Comments and Market Volatility...
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