Science Fact-Checks — Is It True?

Did scientists freeze light?

Scientists have repeatedly demonstrated techniques to stop or 'freeze' light pulses using Bose-Einstein condensates, supersolid states, and crystal traps. Recen…

Did all dinosaurs lay eggs?

All known dinosaurs reproduced by laying eggs, with fossil evidence from major groups including ornithischians, sauropodomorphs, and theropods. No evidence exis…

Did snakes used to have legs?

Fossil evidence confirms ancient snakes like Tetrapodophis amplectus (120 million years ago) and Najash rionegrina (90 million years ago) had functional legs. G…

Do eggs actively choose the winning sperm in fertilization?

The X post claims that scientists reveal eggs choose the winner in fertilization, not sperm winning a race, and that sperm are chosen rather than winning. This …

Did scientists create a living robot that forms its own nervous system?

The post claims scientists have created a 'living robot' from cells capable of forming their own nervous system — this is TRUE. Researchers at Tufts University …

Can scientists produce oxygen from lunar dust?

Scientists have successfully developed and tested multiple methods to extract oxygen from lunar regolith or its simulants, including NASA's GaLORE electrolysis …

Did scientists engineer tumor-eating bacteria?

Scientists at the University of Waterloo engineered bacteria to invade and consume solid tumors from the inside out by exploiting oxygen-free tumor cores, with …

Will the Sun swallow Earth in 5 billion years?

In approximately 5 billion years, the Sun will enter its red giant phase and expand dramatically, but whether it will actually swallow Earth remains an open sci…

Is there a third state between life and death?

The post claims researchers discovered a 'third state' between life and death where cells continue functioning after the organism dies. This is TRUE; a review b…