Sherryn Groch, The Sydney Morning Herald

Sherryn Groch

The Sydney Morning Herald

Melbourne, VIC, Australia

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Recent articles by Sherryn:

Scientists thought these monster waves were myth. Now they’re racing to understand them

These are the real sea monsters: waves so tall they can block out the sky. So what happens when waves go “rogue”? Why do they strike out of nowhere? And how do sailors survive them? → Read More

How do we stop the next pandemic?

What needs to happen to avert another virus-borne global tragedy? We ask the scientist who helped discover Ebola, a Nobel laureate, and the man who first published COVID-19’s genetic code. → Read More

Why can’t America fix its gun crisis?

Why do mass shootings keep happening in the US? What does the Second Amendment mean? Who are the NRA? And where is gun regulation reform at today? → Read More

Our experts answer your burning election questions

Our inbox was flooded with questions. Here are some answers. → Read More

How does Australia’s pandemic response stack up globally?

World-leading or a “shit show”? How does Australia’s pandemic response so far compare with other countries? And who gets to take credit? → Read More

How are doctors unravelling the mystery of long COVID?

Doctors are still unravelling the mysteries of long COVID. They expect the answers will change our understanding of immunity – and medicine – forever. → Read More

Who has nukes, and what do Russia’s nuclear threats mean?

The world’s nuclear arsenal started to seem irrelevant – until Putin put his nation’s on high alert. What is the likelihood of him using nukes, and how effective is “deterrence” today? → Read More

What are chemical weapons and how might Putin use them?

Poison gas conjures up the ghost horrors of WWI. But it’s been used in battle since. And Western leaders are warning that Russia may use it soon in Ukraine. What would that mean? → Read More

What is Putin’s endgame in Ukraine?

The ex-KGB officer has launched the biggest attack in Europe since World War II. Why did Putin invade Ukraine – and how far could he go? → Read More

Putin’s invasion is in its second week. Here are the key moments so far

Ukrainians are fighting back against one of the biggest militaries in the world to stop “a new Iron Curtain falling” in Europe. How did the first week of Putin’s invasion unfold? → Read More

What does heat do to the body – and how does it kill?

Deadly heatwaves are on the rise around the globe. But what does the heat do to us - and what’s the best way to stay cool? → Read More

How is the cyber war unfolding in Ukraine – and could it spread?

Cyber attacks now feature in most countries’ war plans. In Ukraine, the world may see what that means in action. → Read More

Why is there still so much plastic in the world – and what could replace it?

Plastic is great until you need to get rid of it. Why has it taken over the world, how big a problem is it – and what can we do about it? → Read More

‘Limbo’: What’s happening to refugees still in immigration detention?

Djokovic has left but refugees are still held in detention around Australia. How does the system work today? And how does our hard border stack up internationally? → Read More

Putin is massing troops on Ukraine’s border. How likely is war?

Europe is locked in a stand-off reminiscent of the Cold War. Why is Russia threatening Ukraine and what does it mean for NATO – and the rest of the world? → Read More

Djokovic is gone. What does his case mean for Australia’s border rules?

A whirlwind visa battle between the world number one and the Australian government has reached its climax. How did it play out in court? And what does it mean for the Open? → Read More

Djokovic’s visa has been cancelled. Can he appeal? What happens next?

The world number one could be deported within hours. But he’s vowed to fight on in court. What legal options does he have left? And why did the minister intervene to kick him out? → Read More

The horrible thud: What can we do to reduce roadkill?

It’s the problem no one really wants to think about too much. But what can be done to reduce roadkill as development expands? And how can you help keep animals safe if you’re out driving this summer? → Read More

How do rapid antigen tests work and how reliable are they?

They’re cheaper and faster than the standard PCR test and you can buy them over the counter. So, when can you opt for the rapid antigen kit and how accurate are they? → Read More

Why do we need vaccine boosters and how do they work?

What does the science say about boosters? Are they being tweaked for new variants? And how many are we likely to need? → Read More