Science Daily

• Dragonflies can see a color humans can’t and it could change medicine

  Dragonflies may see the world in a way that pushes beyond human limits—and surprisingly, they do it using the same molecular trick we evolved ourselves. Scientists discovered that these insects can detect extremely deep red light, even edging into near-infrared, thanks to a specialized visual protein strikingly similar to the one in human eyes. This ability likely helps them spot mates mid-flight by picking up subtle differences in reflected light.

• Your DNA has a secret “second code” that decides which genes get silenced

  Not all parts of our genetic code are equal, even when they appear to say the same thing. Scientists have discovered that cells can detect less efficient genetic instructions and selectively silence them. A protein called DHX29 plays a key role in this process by identifying and suppressing weaker messages. This finding reveals a hidden layer of control in how genes are used.

• Humans reached Australia 60,000 years ago, new DNA study reveals

  Scientists have uncovered compelling evidence that humans reached New Guinea and Australia around 60,000 years ago—earlier than some recent theories suggested. By tracing maternal DNA lineages, the team discovered that these early travelers likely used at least two different migration routes through Southeast Asia. This points to sophisticated navigation and seafaring skills far earlier than once believed. The research helps clarify a long-standing mystery about how humans spread across the globe.

• Ancient farmers accidentally created aggressive “warrior” wheat

  Early wheat didn’t just grow—it fought. When humans began cultivating fields, plants that could outcompete their neighbors for sunlight and space quickly took over, evolving upright leaves and aggressive growth. These ancient “warrior” traits helped wheat thrive for millennia. Ironically, modern farming now favors less competitive plants, prioritizing yield over survival battles.

• Scientists just uncovered the secret behind nature’s “proton highway”

  Scientists have zoomed in on how phosphoric acid moves electrical charges so efficiently in both biology and technology. By freezing a key molecular pair to extremely low temperatures, they found it forms just one stable structure—contrary to predictions. This structure relies on a specific hydrogen-bond network that may be universal in similar systems. The discovery helps explain how protons travel so quickly and could inspire better energy materials.