Getty Images
To search for signs of alien life, we may have to look into Earth’s past. We don’t have the technology to directly detect plants or animals, much less microbes, on alien worlds, so we have to look for the ways that they might affect their planet’s atmosphere. But what should we be looking for? New simulations of the gases in ancient Earth’s atmosphere can give us a hint.
Searching for oxygen is a good way to look for life, as there are few
vCard.red is a free platform for creating a mobile-friendly digital business cards. You can easily create a vCard and generate a QR code for it, allowing others to scan and save your contact details instantly.
The platform allows you to display contact information, social media links, services, and products all in one shareable link. Optional features include appointment scheduling, WhatsApp-based storefronts, media galleries, and custom design options.