Science Explorist

Evolution is not just an idea from textbooks — it is something scientists have directly observed, recorded, and tested.

Many people confuse the word “theory” with “guess,” but in science, a theory is not a weak assumption. It is a powerful explanation supported by repeated evidence. Evolution itself is a scientific fact because we can observe life changing over time through fossils, genetics, anatomy, and real-time biological changes.

We see it in bacteria evolving antibiotic resistance.
We see it in the fossil record showing transitions between ancient species.
We see it in DNA, where the genetic similarities between humans, animals, plants, and microbes point toward shared ancestry.
And we see it in body structures — such as the similar bone patterns in a human arm, a whale flipper, and a bat wing — showing how life can adapt from common origins into very different forms.

Natural selection is one of the major theories that explains how evolution happens, but the reality of evolution itself is supported across multiple branches of science.

In simple words: evolution is not a belief. It is one of the strongest foundations of modern biology.

Source: National Center for Science Education. (2020). Evolution: Fact and Theory.

A tumor being destroyed without open surgery sounds futuristic — but it is already happening in Australia.

Doctors at Liverpool Hospital in Sydney have introduced the country’s first dedicated MRI-guided cryoablation system, a technology that can destroy certain localized tumors by freezing them from inside the body.

Instead of making a large incision, specialists insert ultra-thin needles directly into the tumor while watching the procedure in real time through high-resolution MRI scans. Once the needle is in position, compressed argon gas cools the probe tip to around -180°C, forming a tiny “iceball” that freezes and destroys the targeted cancerous tissue.

The biggest advantage is precision.

Because MRI allows doctors to continuously monitor the iceball as it grows, they can attack the tumor while protecting nearby critical structures such as nerves, bones, the spinal cord, kidneys, or liver.

For some patients, this could mean avoiding major surgery, long hospital stays, implanted hardware, and months of recovery. In many cases, the procedure may be completed in a single day, with patients going home just hours later.

This is a powerful step toward a future where some tumors may be treated with highly targeted, minimally invasive procedures instead of traditional open surgery.

Source: S. Kumar, “New MRI Machine In Sydney Can Freeze Tumours, Reduce Pain In Patients,” NDTV, May 2026.