Chhavi Sachdev

The Christian celebration of Easter got us thinking about egg-related science.
First up, we find out about the rise of a vegan egg substitute.
Next, we discover how to cook the perfect boiled egg, according to science.
We then turn our attention to climate change, and find out how it is affecting the breeding patterns and nesting behaviour of sea turtles.
Plus, we are joined by Dr Luis Welbanks, who tells us about a nearby exoplanet that reeks of rotten eggs.
All that, plus many more Unexpected Elements.
Presenter: Marnie Chesterton, with Chhavi Sachdev and Sandy Ong

Reporter Chhavi Sachdev in Mumbai has some good news – an indigenous antibiotic breakthrough has been found to be effective at treating antibiotic resistant pneumonia. We hear what it takes to develop a new antibiotic and what makes Nafithromycin such a ground-breaking discovery.
Has the long-standing mystery of which wild animals form a reservoir of mpox in the wild finally been solved? Some scientists think they have cracked the case, pinpointing the fire-footed rope squirrel as the culprit, but questions remain before we can definitively say this species is to blame.

CrowdScience listener Sid is running late, and he’s turning to science to find an excuse. He and his partner Steffi in Singapore have very different attitudes to timekeeping. They wonder if this is down to their different cultural upbringings, or if they just had very different brains to start with.

Presenter Chhavi Sachdev puts her own time perception skills to the test to try to understand how subjective our sense of time can be. And we discover how the language we grow up speaking can influence the way we think about punctuality.

Presenter: Chhavi Sachdev
Producer: Emily Bird

Uzbekistan is tackling the many problems it faces in farming and agriculture with the help of technology. . A new digital platform called Growz is creating tech solutions for smarter and more sustainable farming. Generating Power from Gravity

In the last of his series of reports from the Consumer Electronics Show, Jez Donaldson reports on a technology that generates power from Gravity – he’s on the show to explain how it all works.

The programme is presented by Gareth Mitchell and the studio expert is Chhavi Sachdev.

Monty the giant schnauzer won best in show at the Westminster Kennel Club Dog Show. And rather than thinking of all things canine, this week the Unexpected Elements team turn their attention to all things giant.
Presenters: Caroline Steel, with Chhavi Sachdev and Camilla Mota.
First, we find out how a giant virus could help keep our planet cool.
Next up, we discover the origins of enormous Greek characters, such as the Titans and the Cyclops.We then find out how giant clams put solar panels to shame.
image:By Desaix83, d'après le travail de Kkrzysiu o2 CC

Celebrations for the Lunar New Year kicked off on 29th January, and this year is the Year of the Snake.
We start things off by discussing the purpose of some mysterious serpent markings on the banks of the Orinoco River.
Next, we find out about the origins of snake oil, before digging into the psychology of why we trust snake-like people
Plus, herpetologist Dr Mark O’Shea tells us all about his work identifying snakes, and what happened when he got bitten.
Presenters: Marnie Chesterton, with Chhavi Sachdev and Christine Yohannes. image CC license

India stands as a global leader in various sectors - technology, innovation, space exploration, and education in science and engineering. However, it has also consistently ranked first in internet shutdowns for six consecutive years.

200 million people worldwide have macular degeneration – a form of sight loss often associated with ageing. Now a US company say they have developed glasses that can improve their vision significantly. Jez Donaldson has been finding out more.

The programme is presented by Gareth Mitchell and the studio expert is Chhavi Sachdev.

December is a time of celebration, family feuds, and now scientific rivalries. It's also one of the most wasteful months of the year, with festivities in full swing across the globe.

Unexpected Elements dives headfirst into the scientific bin to wallow in waste. Could worms be the unexpected heroes of our plastic pollution crisis? How much garbage have we jettisoned into space? And why is part of our very own genome called "junk DNA"?

Come waste an hour with us on Unexpected Elements!

Presenter: Caroline Steel, with Chhavi Sachdev and Candice Bailey

It’s been 24 years since the release of Ridley Scott’s Gladiator, which left audiences captivated by the story of Maximus the gladiator, played by Russell Crowe. Now, Gladiator II is hitting the cinemas, so this week the panel -chhavi sachdev & christine Yohannes- enter the arena to take a look at some gladiatorial science. We hear about an fish that fights in mouth-to-mouth combat, how humans have looked to nature to design better armour, and the perfume that Julius Caesar would have worn. We also talk to Chris Nowinski, a former WWE professional wrestler turned neuroscient about concussion

Chhavi Sachdev looks at two projects in India that turn plastic and cigarette butt waste into everyday products while providing jobs for women living in villages.

The world produces about 400 million tonnes of plastic waste annually. A lot of this waste, such as multi-layered plastic packaging and cigarette butts, is hard to recycle. Instead, it fills up landfills and contaminates the environment.

Two organizations are working on these problems in Pune and Noida - for a solutions journalism programme

After 31 years, a mammoth treasure hunt consisting of solving eleven cryptic clues has finally concluded. A replica of the final prize – a golden owl – was dug up in France, leaving fellow treasure hunters both disappointed and relieved.
Inspired by this pursuit, the Unexpected Elements team unearth some of science’s hidden gems. From the potential resurrection of ancient healing tree balm to the world’s rarest stone, and even how cats could help solve crimes. The team are also joined by astrobiologist Nathalie Cabrol to speak about the potential treasures hiding on another moon in our solar

Join Marnie Chesterton and science journalists Chhavi Sachdev and Jes Burns, on their on their Oregon science mission. We investigate building materials of the future, from creative cement alternatives to buildings made of wood, and hear from forest scientist Sarah Jovan about how one humble plant has made huge changes to Portland's air quality.

Plus, we make waves with a new wave energy testing facility, uncover the benefits (or costs) of bamboo alternatives and our panellist fight against the clock to pitch what they think should take the crown of Oregon's Coolest Science.

18 is often considered the start of adulthood? CrowdScience listener Lynda didn't feel very mature back then; but can neuroscience or biology tell us when we’re truly grown up? Chhavi Sachdev contributes from the field in India with two interviews with women who had children quite young: 17 and 22

For the hundreds of people who live in a cluster of villages between India and Pakistan, a map drawn up long ago still causes daily struggles. For 72 years, communities who live by the Ravi on the Indian side have been asking for a permanent bridge, so they can access hospitals, schools, shops, banks. What they have got is a makeshift pontoon bridge, which has to be dismantled for the monsoon season. Journalist Chhavi Sachdev travels to the western part of India to meet the Indian people whose lives are shaped by the Ravi river.

We all know seawater is salty - but why? That's what listener Julie is wondering. She lives near the coast in New Zealand and wants to know how all that salt ended up in the water that washes up on her local beach.
From New Zealand to India, where salt became symbolic of much more than well-seasoned food. Host Chhavi Sachdev searches for answers in salt farms on India's coast, and in a research institute dedicated to all things saline.The team also ventures to a very briny lake on the other side of the globe to find out one way salt makes its way into bodies of water, while an expert in dee