(MENAFN - The Conversation) Journalists are often under deadline pressure, which is why, , they return again and again to the same experts. Those who give good quotes are often also pretty good at making themselves available. The end result is it looks like there's only one counter-terrorism expert in town, or one constitutional lawyer, or one demographer.

But in every field there is more than one expert, and not all of them are camera or radio shy. In the last 12 months at The Conversation we published 1,800 new writers, all experts in their given field. Most go on to do radio interviews and sometimes TV spots. Some even become the go-to expert in their field.

So for journalists and readers looking for a little more diversity and depth, here are some alternatives to Crikey's list of speed-dial experts.

Joe Castro/AAP Counter-terrorism

The expert most journos go to: Greg Barton

Alternatives: Adrian Cherney, UQ; Kieran Hardy, Griffith University

If you haven't read Professor Greg Barton's , you really should.

But there are many other terrific counter-terrorism experts. Two are University of Queensland Associate Professor , and Griffith University Lecturer .

Cherney is especially perceptive on that aren't about blaming Islam.

And if you've ever wondered , Hardy is your man.

Lukas Coch/AAP Constitutional law

The expert most journos go to: Anne Twomey*

Alternatives: Gabrielle Appleby, UNSW; Brendan Gogarty, UTAS

The citizenship crisis meant 2017 was a good year for constitutional lawyers. But of the dozens of articles Professor Anne Twomey has written for The Conversation, the one on if he lost his seat remains the most poplar, proving it's not just federal law Twomey is good at explaining.

There are also plenty of others with deep expertise in constitutional law.

Associate Professor Gabrielle Appleby is strong on the

Dr Brendan Gogarty is also a constitutional law expert, and he's particularly good on technology law and international law. One of his most popular pieces for The Conversation this year, was in the case of drones and backyard skinny dippers.

Demography

The expert most journos go to: Bernard Salt

Alternative: Liz Allen, ANU

shutterstock.com.

We love your work Bernard, but we still haven't forgiven you for that smashed avocado trope.

hasn't invented a meme (as far as we know), but she has written some of The Conversation's most popular data-driven articles, including this one on

ESA/Hubble & NASA Astronomy

The expert most journos go to: Alan Duffy

Alternatives: Jonti Horner, USQ; Tanya Hill, Museums Victoria;

Stargazing is a popular pastime, and there are few astronomers who can talk science as eloquently as .

But with a being discovered almost every week this year, we've needed more than one astronomer to help break it down. Senior Research Fellow is one such expert.

Horner, along with his USQ colleagues , , and recently explained for a curious 3 year-old kid, proving academics can get through to even the youngest of audiences.

For the night sky observations and space probe exploration Honorary Fellow , who is the astronomy curator at the Melbourne Planetarium, is worth adding to your speed dial.

Denis Prezat/Newzulu/AAP Gender politics, feminism and pop culture

The expert most journos go to: Lauren Rosewarne

Alternatives: Michelle Smith, Monash University; Catherine Strong, RMIT

Lauren has a huge base of loyal readers here at The Conversation. And in case you missed it last year, she wrote

This year's #metoo movement has encouragingly seen more women find their voice in the media, and journalists seek out more diversity.

Senior Lecturer has penned some of our most well-read articles on attitudes to women, including on older women and beauty.

And before the Harvey Weinstein scandal broke, Senior Lecturer got us all thinking with this and why iconic musicians, particularly after death, have their abuse of women ignored or excused.

Lukas Coch/AAP Government budget analysis

The expert most journos go to: Chris Richardson

Alternative: Richard Holden, UNSW

Trust us, if other economists spent as much time in the Canberra press gallery as Chris Richardson they'd be on telly a lot more too.

One economist who can also think on his feet is , who joins The Conversation in the budget lockup each year and writes our weekly economics wrap, .

He's also not afraid to talk housing bubble (and our banks' ) – given it's the topic on the lips of most Australians thinking about their fortunes in the year ahead.

Shutterstock.com Adolescent psychology

The expert most journos go to:: Michael Carr-Gregg

Alternatives: Jo Robinson, University of Melbourne; Joanne Orlando, Western Sydney University

Michael Carr-Gregg has written several books on parenting, so it's understandable he's a hot commodity on breakfast television.

One alternative is , Senior Research Fellow at Orygen, the National Centre of Excellence in Youth Mental Health at the . Robinson is doing interesting research on the role of the internet in suicide prevention.

And if you're interested in that perennial parenting issue of how much technology is too much for kids, can help.

This list is just a small sample, and you can find thousands of other experts by searching for the subject you're interested in via The Conversation's search bar, or in our Many of them also provide their contact details on our site, but if you can't find them, get in touch with or call 0423 156 062.

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