From Molecules to Organisms: Structures and Processes
- Brain
Can’t remember? Maybe you multitask too much between screens
Splitting your attention between devices can make it hard to create new memories, even when you’re not multitasking.
- Animals
Scientists Say: Medullary bone
Medullary bone is a layer that forms inside bird and dinosaur bones. It’s a source of the calcium in eggshells.
- Agriculture
How to grow your own science experiment
Does fertilizer help plants grow better? You might expect it to, but how can you know? This experiment will help you test it yourself.
- Animals
Ogre-faced spiders listen closely to snatch bugs from the air
Ogre-faced spiders can hear prey sneaking around behind them. Low frequencies can trigger a blind, backwards attack.
- Animals
Scientists Say: Apoptosis
When it’s time for cells to die, they need to do it carefully, so they don’t harm other cells.
- Animals
Please do not touch the Australian stinging tree
Stinging-tree leaves look soft and inviting, but one touch delivers agony. Structurally, the plant's painful chemical looks a lot like spider venom.
- Health & Medicine
Third major vaccine shows great promise against COVID-19
This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.
- Animals
The diabolical ironclad beetle is nearly unsquishable
The diabolical ironclad beetle is an incredibly tough little creature. A peek inside its exoskeleton reveals what makes it virtually uncrushable.
- Materials Science
This artificial skin feels ‘ghosts’ — things you wish were there
Engineers have developed a wearable device that simulates the sense of touch. It may benefit robotic surgery and deep-sea exploration.
- Health & Medicine
Warning! Junk foods can harm a teen’s brain
The adolescent brain has a hard time resisting junk food. But high-fat, high-sugar diets can interfere with learning and pose risks to mental health.
- Health & Medicine
Teen athletes with even mild COVID-19 can develop heart problems
COVID-positive student athletes, some with no symptoms, have developed heart inflammation and more. They are new reasons to limit coronavirus exposure.
- Health & Medicine
Moderna vaccine for COVID-19 appears nearly 95 percent effective
A second coronavirus vaccine appears super effective in preventing people from being sickened by COVID-19.
