Are we alone? This question is nearly as old as humanity itself. Today, this question in astronomy focuses on finding life beyond our planet. Are we, as a species, and as a planet, alone? Or is there life somewhere else? Usually, the question inspires visions of weird, green versions of humans. However, life is more ...
A young businessman was betrayed by his partner and was left without wealth or hope. Desperate and despondent, he decided to end his life by jumping into a lake. On its banks, he encountered a wise monk deep in meditation. Overwhelmed with relief, the man eagerly approached the monk, shared his tragic tale, and sincerely ...
A classic proverb goes: “You do not know how to count your blessings when you’re in the middle of a blessed life.” This saying reminds people that they should be thankful for everything they own now. No matter how hard a person’s life may be, others in the world are living harder and more complex ...
Does the existence of life on Earth tell us anything about the probability of abiogenesis — the origin of life from inorganic substances — arising elsewhere? That question has confounded scientists and anyone else inclined to ponder it for some time. The Carter argument A widely accepted argument from Australian-born astrophysicist Brandon Carter argues that the ...
We hear it all the time. Life is short — choose happiness. The truth is, living a happier, more fulfilled life isn’t an impossibility. It is just a matter of creating habits that help you get there. Improve your overall well-being and happiness by making little adjustments to your routine. Each positive habit can make ...
According to a new NASA laboratory experiment, rovers may have to dig about 6.6 feet (two meters) or more under the Martian surface to find signs of ancient life because ionizing radiation from space degrades small molecules such as amino acids relatively quickly. Amino acids can be created by life and by non-biological chemistry. However, finding certain ...
Liquid water is an important prerequisite for life to develop on a planet. As researchers from the University of Bern, the University of Zurich, and the National Centre of Competence in Research (NCCR) PlanetS report in a new study, liquid water could also exist for billions of years on planets that are very different from ...
The rapid development of fauna 540 million years ago has permanently changed the Earth — far into its deep mantle. A team led by ETH researcher Andrea Giuliani found traces of this development in rocks from this deep mantle layer. It is easy to see that the processes in the Earth’s interior influence what happens ...
Rochester astrophysicist Adam Frank discusses why cognitive activity operating on a planetary scale is necessary to tackle global issues such as climate change. The collective activity of life — all of the microbes, plants, and animals — has changed planet Earth. Take, for example, plants. Plants “invented” a way of undergoing photosynthesis to enhance their ...
When did the Earth reach oxygen levels sufficient to support animal life? The answer to this has implications regarding our search for life on other planets. Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, eukaryotic ecosystems. Their findings represent the strongest ...
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